Surgalign (SRGAQ) 10-Q 6 Aug 21 2021 Q2 Quarterly report Financial data

Document and Entity Information

Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2021	Aug. 04, 2021
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2021
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q2
Trading Symbol	SRGA
Entity Registrant Name	SURGALIGN HOLDINGS, INC.
Entity Central Index Key	0001760173
Current Fiscal Year End Date	--12-31
Entity Current Reporting Status	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		139,410,776
Entity File Number	001-38832
Entity Tax Identification Number	83-2540607
Entity Address, Address Line One	520 Lake Cook Road
Entity Address, Address Line Two	Suite 315
Entity Address, City or Town	Deerfield
Entity Address, State or Province	IL
Entity Address, Postal Zip Code	60015
City Area Code	224
Local Phone Number	303-4651
Document Quarterly Report	true
Document Transition Report	false
Entity Incorporation, State or Country Code	DE
Entity Interactive Data Current	Yes
Security Exchange Name	NASDAQ
Title of 12(b) Security	common stock, $0.001 par value

Condensed Consolidated Balance

Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Current Assets:
Cash and cash equivalents	$ 69,257	$ 43,962
Accounts receivable - less allowances of $10,622 at June 30, 2021 and $8,203 at December 31, 2020	30,503	27,095
Inventories - current	26,466	22,841
Prepaid and other current assets	23,422	10,284
Total current assets	149,648	104,182
Non-current inventories	8,889	7,856
Property and equipment - net	1,045	521
Other assets - net	10,228	10,145
Total assets	169,810	122,704
Current Liabilities:
Accounts payable	9,577	13,418
Accrued expenses	42,725	21,644
Accrued income taxes	497	11,761
Total current liabilities	52,799	46,823
Acquisition contingencies	35,743	47,519
Warrant liability	24,226
Other long-term liabilities	4,230	4,192
Total liabilities	116,998	98,534
Commitments and contingencies (Note 18)
Stockholders' equity:
Common stock, $.001 par value: 300,000,000 shares authorized; 139,416,899 and 81,678,179 shares issued and outstanding, as of June 30, 2021 and December 31, 2020, respectively	139	81
Additional paid-in capital	577,186	517,123
Accumulated other comprehensive loss	(2,380)	(2,416)
Accumulated deficit	(516,344)	(484,962)
Less treasury stock, 1,501,257 and 1,444,578 shares, as of June 30, 2021 and December 31, 2020, respectively, at cost	(5,789)	(5,656)
Total stockholders' equity	52,812	24,170
Total liabilities and stockholders' equity	$ 169,810	$ 122,704

Condensed Consolidated Balanc_2

Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Statement Of Financial Position [Abstract]
Accounts receivable, allowances	$ 10,622	$ 8,203
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	300,000,000	300,000,000
Common stock, shares issued	139,416,899	81,678,179
Common stock, shares outstanding	139,416,899	81,678,179
Treasury stock, shares	1,501,257	1,444,578

Condensed Consolidated Statemen

Condensed Consolidated Statements of Comprehensive Income / (Loss) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Income Statement [Abstract]
Revenues	$ 24,834	$ 20,534	$ 48,125	$ 47,636
Cost of goods sold	7,229	9,469	13,467	18,693
Gross profit	17,605	11,065	34,658	28,943
Operating Expenses:
Marketing, general and administrative	25,541	32,148	51,701	69,341
Research and development	3,183	3,274	6,059	7,556
Gain on acquisition contingency	(2,236)	(130)	(2,287)	(130)
Asset impairment and abandonments	2,206	882	4,382	2,761
Transaction and integration expenses	2,188	6	2,510	2,415
Total operating expenses	30,882	36,180	62,365	81,943
Operating loss	(13,277)	(25,115)	(27,707)	(53,000)
Other (income) expense - net:
Other (income) expense - net	(101)	(21)	(105)	(71)
Foreign exchange (gain) loss	(95)	(195)	450	49
Change in fair value of warrant liability	(2,523)		(2,523)
Total other (income) expense - net	(2,719)	(216)	(2,178)	(22)
(Loss) before income tax provision (benefit)	(10,558)	(24,899)	(25,529)	(52,978)
Income tax provision (benefit)	81	47	300	(3,492)
Net loss from continuing operations	(10,639)	(24,946)	(25,829)	(49,486)
Discontinued operations (Note 3)
(Loss) from operations of discontinued operations	(6,316)	(16,963)	(6,316)	(10,286)
Income tax (benefit)	(763)	(3,345)	(763)	(3,345)
Net (loss) from discontinued operations	(5,553)	(13,618)	(5,553)	(6,941)
Net (loss) applicable to common shares	(16,192)	(38,564)	(31,382)	(56,427)
Other comprehensive loss (gain):
Unrealized foreign currency translation loss (gain)	35	(298)	(36)	72
Comprehensive loss	$ (16,227)	$ (38,266)	$ (31,346)	$ (56,499)
Net loss from continuing operations per common share - basic	$ (0.09)	$ (0.34)	$ (0.24)	$ (0.68)
Net loss from continuing operations per common share - diluted	(0.09)	(0.34)	(0.24)	(0.68)
Net loss from discontinued operations per common share - basic	(0.05)	(0.19)	(0.05)	(0.10)
Net loss from discontinued operations per common share - diluted	$ (0.05)	$ (0.19)	$ (0.05)	$ (0.10)
Weighted average shares outstanding - basic	114,271,780	72,642,215	106,279,658	72,981,134
Weighted average shares outstanding - diluted	114,271,780	72,642,215	106,279,658	72,981,134

Condensed Consolidated Statem_2

Condensed Consolidated Statement of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Loss [Member]	Accumulated Deficit [Member]	Treasury Stock [Member]
Beginning Balance at Dec. 31, 2019	$ 34,564	$ 75	$ 498,438	$ (7,629)	$ (451,179)	$ (5,141)
Net loss	(17,863)				(17,863)
Foreign currency translation adjustment	(370)			(370)
Exercise of common stock options	20		20
Stock-based compensation	1,310		1,310
Purchase of treasury stock	(193)					(193)
Amortization of preferred stock series A issuance costs	(44)		(44)
Ending Balance at Mar. 31, 2020	17,424	75	499,724	(7,999)	(469,042)	(5,334)
Net loss	(38,564)				(38,564)
Foreign currency translation adjustment	298			298
Stock-based compensation	1,023		1,023
Purchase of treasury stock	(19)					(19)
Amortization of preferred stock series A issuance costs	(46)		(46)
Ending Balance at Jun. 30, 2020	(19,884)	75	500,701	(7,701)	(507,606)	(5,353)
Beginning Balance at Dec. 31, 2020	24,170	81	517,123	(2,416)	(484,962)	(5,656)
Net loss	(15,190)				(15,190)
Foreign currency translation adjustment	71			71
Exercise of common stock options	23		23
Stock-based compensation	936		936
Purchase of treasury stock	(110)					(110)
Share offering	36,484	29	36,455
Ending Balance at Mar. 31, 2021	46,384	110	554,537	(2,345)	(500,152)	(5,766)
Net loss	(16,192)				(16,192)
Foreign currency translation adjustment	(35)			(35)
Stock-based compensation	1,413		1,413
Purchase of treasury stock	(23)					(23)
Share offering	45,842	29	45,813
Warrant issuance	(24,798)		(24,798)
Equity instruments issued in connection with Prompt Prototypes, LLC	221		221
Ending Balance at Jun. 30, 2021	$ 52,812	$ 139	$ 577,186	$ (2,380)	$ (516,344)	$ (5,789)

Condensed Consolidated Statem_3

Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash flows from operating activities:
Net loss	$ (31,382)	$ (56,427)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Depreciation and amortization expense	1,153	4,687
Provision for bad debts and product returns	2,439	1,436
Insurance proceeds related to operating activities	(1,993)
Change in fair value of warrant liability	(2,523)
Provision for inventory write-downs	4,367	1,947
Revenue recognized due to change in deferred revenue		(2,375)
Deferred income tax benefit		(3,614)
Income taxes payable	(13,326)
Stock-based compensation	2,349	2,344
Asset impairment and abandonments	4,382	2,761
Gain on acquisition contingency	(2,287)	(130)
Loss on sale of discontinued operations	6,316
Paid in kind interest expense		3,434
Bargain purchase gain	(90)
Amortization of debt issuance costs		283
Amortization of debt discount		2,479
Derivative loss		12,641
Other	(33)	131
Change in assets and liabilities:
Accounts receivable	(3,777)	10,950
Inventories	(9,111)	1,062
Accounts payable	(3,818)	7,459
Accrued expenses	23,605	(4,420)
Deferred revenue		2,955
Right-of-use asset and lease liability	(3,165)
Other operating assets and liabilities	(19,253)	(2,192)
Net cash used in operating activities	(46,147)	(14,589)
Cash flows from investing activities:
Payments for OEM working capital adjustment	(5,430)
Purchases of property and equipment	(4,952)	(7,315)
Business acquisitions, net of cash acquired	(330)
Patent and acquired intangible asset costs	(311)	(419)
Net cash used in investing activities	(11,023)	(7,734)
Cash flows from financing activities:
Share offering proceeds, net	82,326
Proceeds from exercise of common stock options	23	20
Proceeds from long-term obligations		72,829
Payments of debt issuance costs		(1,740)
Payments on long-term obligations		(51,962)
Payments for treasury stock	(133)	(212)
Net cash provided by financing activities	82,216	18,935
Effect of exchange rate changes on cash and cash equivalents	249	9
Net increase (decrease) in cash and cash equivalents	25,295	(3,379)
Cash and cash equivalents, beginning of period	43,962	5,608
Cash and cash equivalents, end of period	69,257	2,229
Supplemental cash flow disclosure:
Cash paid for interest		4,082
Net income tax payments (refunds)	15,481	(1,962)
Non-cash acquisition of property and equipment	629	342
Non-cash common stock issuance - Prompt	$ 221
Non-cash embedded derivative associated with Ares		$ 10,379

Business

Business	6 Months Ended
	Jun. 30, 2021
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Business	1. Business Surgalign Holdings, Inc. (the “Company”), (formerly known as RTI Surgical Holdings, Inc. (“RTI”)) is a global medical technology company focused on elevating the standard of care by driving the evolution of digital surgery. We have a broad portfolio of spinal hardware implants, including solutions for fusion procedures in the lumbar, thoracic, and cervical spine, motion preservation solutions for the lumbar spine, and a minimally invasive surgical implant system for fusion of the sacroiliac joint. The Company also has a portfolio of advanced and traditional orthobiologics, or biomaterials. In addition to its spinal hardware and biomaterials portfolios, the Company is developing an Augmented Reality and Artificial Intelligence digital surgery platform called ARAI TM 40 countries worldwide. The Company is headquartered in Deerfield, Illinois, with commercial, innovation, and design centers in San Diego, CA; Wurmlingen, Germany; and Warsaw, Poland. OEM Disposition On July 20, 2020, pursuant to the Equity Purchase Agreement, dated as of January 13, 2020 (as amended from time to time, the “OEM Purchase Agreement”), by and between the Company and Ardi Bidco Ltd. (the “Buyer”), the Company completed the sale of its former original equipment manufacturing business, and business related to processing donated human musculoskeletal and other tissue and bovine and porcine animal tissue in producing allograft and xenograft implants using BIOCLEANSE®, TUTOPLAST® and CANCELLE®SP sterilization processes (collectively, the “OEM Businesses”) to Buyer and its affiliates for a purchase price of $440.0 million of cash, subject to certain adjustments (the “Transactions”). Prior to the sale of the OEM Businesses, the Company operated two reportable segments: Spine and OEM. Subsequent to the sale of the OEM Businesses, the Company operates only one reportable segment COVID-19 The coronavirus (“COVID-19”) pandemic, as well as the corresponding governmental response and the Company’s management of the crisis has had a significant impact on the Company’s business. The consequences of the outbreak and impact on the global economy continues to evolve, and the full extent of the impact is uncertain with the existence of variant strains of COVID-19. The variant strains could lead to a rise in infections resulting in the reinstatement of certain restrictions previously in place on a global scale. Beginning in 2020, many hospitals and other medical facilities canceled elective surgeries, reduced and diverted staffing and diverted other resources to patients suffering from the infectious disease and limited hospital access for non-patients, including the Company’s direct and indirect sales representatives. Because of the COVID-19 pandemic, surgeons and their patients have been required, or are choosing, to defer procedures in which the Company’s products would be used, and many facilities that specialize in the procedures in which the Company’s products would be used have closed or reduced operating hours. These circumstances have negatively impacted the ability of the Company’s employees and distributors to effectively market and sell its products. In addition, even after the pandemic has subsided and/or governmental orders no longer prohibit or recommend against performing such procedures, patients may continue to defer such procedures out of concern of being exposed to COVID-19 for other reasons. The COVID-19 pandemic has also caused adverse effects on general commercial activity and the global economy, which has led to an economic slowdown or recession, and which has adversely affected the Company’s business, operating results or financial condition. The adverse effect of the pandemic on the broader economy has also negatively affected demand for procedures using the Company’s products, and could cause one or more of the Company’s distributors, customers, and suppliers to experience financial distress, cancel, postpone or delay orders, be unable to perform under a contract, file for bankruptcy protection, go out of business, or suffer disruptions in their business. This could impact the Company’s ability to provide products and otherwise operate its business, as well as increase its costs and expenses. The COVID-19 pandemic has also led to and could continue to lead to severe disruption and volatility in the global capital markets, which could increase the Company’s cost of future capital and adversely affect its ability to access the capital markets in the future. The Company cannot predict when its operations will fully return to pre-pandemic levels and will continue to carefully monitor the situation and the needs of the business. The above and other continued disruptions to the Company’s business as a result of COVID-19 has resulted in a material adverse effect on its business, operating results and financial condition. Although vaccines have recently been made available, it remains uncertain when our business will return to normal operations. The full extent to which the COVID-19 pandemic will impact the Company’s business will depend on future developments that are highly uncertain and cannot be accurately predicted, including the possibility that new adverse information may emerge concerning COVID-19 and additional actions to contain it or treat its impact may be required. Liquidity As the global outbreak of COVID-19 continues to rapidly evolve, it could continue to materially and adversely affect our revenues, financial condition, profitability, and cash flows for an indeterminate period of time. Going Concern The accompanying unaudited condensed consolidated financial statements of the Company have been prepared assuming the Company will continue as a going concern and in accordance with generally accepted accounting principles in the United States of America. The going concern basis of presentation assumes that we will continue in operation one year after the date these unaudited condensed consolidated financial statements are issued, and we will be able to realize our assets and discharge our liabilities and commitments in the normal course of business. As of June 30, 2021, we had cash of $69.3 million and an accumulated deficit of $516.3 million. For the six months ended June 30, 2021, we had a loss from continuing operations of $25.8 million. We have incurred losses from operations in the previous two fiscal years and did not generate positive cash flows from operations in fiscal year 2020 or for the six months ended June 30, 2021. On June 14, 2021, we issued and sold in a registered direct offering an aggregate of 28,985,508 shares of our common stock and investor warrants to purchase up to an aggregate of 28,985,508 million shares at a strike price of $1.725. The Company, also in connection with the direct offering, issued placement agent warrants to purchase an aggregate of up to 1,739,130 million shares of our common stock at a strike price of $2.15625 per share. We received net proceeds of $45.8 million from the offering after deducting investor fees of $4.2 million. On February 1, 2021, we closed a public offering and sold a total 28.7 million shares of our common stock at a price of $1.50 per share, less the underwriter discounts and commissions. We received net proceeds of $36.5 million from the offering after deducting the underwriting discounts and commission of $4.0 million. The Company is projecting it will continue to generate significant negative operating cash flows over the next 12-months and beyond. In consideration of i) COVID-19 uncertainties, ii) negative cash flows that are projected over the next 12-month period, and iii) approximately $18.5 million of the total contingent consideration of $54.2 million is expected to become due to the former owners of Holo Surgical as we anticipate two of the milestones to be achieved within the next 12 months. These payments will be paid through a combination of common stock and cash postpone, as well as suspend capital expenditures, in order to preserve liquidity. No assurance can be given that any future financing will be available or, if available, that it will be on terms that are satisfactory to the Company. Even if the Company is able to obtain additional financing, it may contain undue restrictions on our operations, in the case of debt financing, or cause substantial dilution for our stockholders, in the case of equity financing. In consideration of the inherent risks and uncertainties and the Company’s forecasted negative cash flows as described above, management has concluded that substantial doubt exists with respect to the Company’s ability to continue as a going concern within one year after the date the unaudited condensed consolidated financial statements are issued. Management continually evaluates plans to raise additional debt and/or equity financing and will attempt to curtail discretionary expenditures in the future, if necessary; however, in consideration of the risks and uncertainties mentioned, such plans cannot be considered probable of occurring at this time. The recoverability of a major portion of the recorded asset amounts shown in the Company’s accompanying condensed consolidated balance sheets is dependent upon continued operations of the Company, which in turn is dependent upon the Company’s ability to meet its funding requirements on a continuous basis to maintain existing financing to succeed in its future operations. The Company’s unaudited condensed consolidated financial statements do not include any adjustment relating to the recoverability and classification of recorded asset amounts and classification of liabilities that might be necessary should the Company be unable to continue in existence.

Basis of Presentation

Basis of Presentation	6 Months Ended
	Jun. 30, 2021
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Basis of Presentation	2. Basis of Presentation The accompanying unaudited condensed consolidated financial statements include all adjustments, consisting of normal recurring accruals, which the Company considers necessary for a fair presentation of the results of operations for the periods shown. The unaudited condensed consolidated financial statements have been prepared in accordance with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X, and, therefore, do not include all information and footnotes necessary for a fair presentation of the unaudited condensed consolidated financial position, results of operations, comprehensive loss and cash flows in conformity with accounting principles generally accepted in the United States of America (“GAAP”). The preparation of our unaudited condensed consolidated financial statements in accordance with GAAP often requires us to make estimates and judgments that affect reported amounts. These estimates historical experience and assumptions that we believe to be reasonable under the circumstances. Assumptions and judgments based on historical experience may provide reported results judgments historically have not varied significantly from actual experience, and we therefore do not expect them to vary significantly All intercompany balances and transactions have been eliminated in consolidation. The unaudited condensed consolidated financial statements include the accounts of the Company and its wholly owned subsidiaries, Surgalign Spine Technologies, Inc., Paradigm Spine, LLC (“Paradigm”), Pioneer Surgical Technology, Inc. (“Pioneer Surgical”), Zyga Technology, Inc. (“Zyga”), Holo Surgical Inc. (“Holo Surgical”), and Prompt Prototypes, LLC (“Prompt”). T he operating results of the disposed OEM Businesses have been reported as discontinued operations in the unaudited condensed consolidated financial statements in the prior comparative periods. For further information, refer to the consolidated financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2020 filed with the Securities and Exchange Commission (“SEC”) on March 16, 2021. Accounting Standards Issued But Not Yet Adopted In August 2020, the FASB issued ASU 2020-06, "Debt—Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives and Hedging—Contracts in Entity’s Own Equity (Subtopic 815-40) Immaterial restatement of earnings per share (“EPS”) During the first fiscal quarter of 2021, the Company identified errors in the calculation of its historical basic and diluted EPS. In the historical periods presented in the filing, the weighted average basic and diluted shares incorrectly included treasury stock, restricted stock awards, and restricted stock units. The weighted average shares used in the restated basic and diluted EPS from continuing operations and discontinued operation s has been corrected. Significant New Accounting Policies Warrant Liability The Company accounts for its warrants Derivatives and Hedging—Contracts in Entity’s Own Equity warrants Fair Value Measurement” warrants

Discontinued Operations

Discontinued Operations	6 Months Ended
	Jun. 30, 2021
Discontinued Operations And Disposal Groups [Abstract]
Discontinued Operations	3 . Discontinued Operations In connection with the Transactions, on July 20, 2020, the Company completed the disposition of its OEM Businesses. Accordingly, the OEM Businesses are reported as discontinued operations in accordance with ASC 205-20, Discontinued Operations The following table presents the financial results of the discontinued operations: Three Months Ended June 30, Six Months Ended June 30, 2020 2020 Major classes of line items constituting net income from discontinued operations Revenues $ 33,691 $ 80,316 Costs of processing and distribution 21,625 45,674 Gross profit 12,066 34,642 Expenses: Marketing, general and administrative 4,917 10,377 Severance and restructuring costs 604 604 Transaction and integration expenses 4,917 11,789 Total expenses 10,438 22,770 Operating income 1,628 11,872 Other expense - net: Interest expense 5,972 9,537 Derivative loss 12,641 12,641 Foreign exchange gain (22 ) (20 ) Total other expense - net 18,591 22,158 Loss from discontinued operations (16,963 ) (10,286 ) Income tax (benefit) (3,345 ) (3,345 ) Net loss from discontinued operations $ (13,618 ) $ (6,941 ) In accordance with ASC 205-20, only expenses specifically identifiable and related to a business to be disposed may be presented in discontinued operations. As such, the marketing and general and administrative expenses in discontinued operations include corporate costs incurred directly to solely support the Company’s OEM Businesses. Pursuant to the OEM Purchase Agreement, the Company and the Buyer have also entered into a Transition Services Agreement, through which the disposed OEM Businesses will provide to the Company transitional services related to IT support, customer and vendor management, procurement, and other services for periods ranging from 3 to 12 months after the disposal. The Company applied the “Intraperiod Tax Allocation” rules under ASC 740, Income Taxes (“ASC 740”), which requires the allocation of an entity’s total annual income tax provision among continuing operations and, in the Company’s case, discontinued operations. On December 1, 2020, pursuant to the OEM Purchase Agreement, the Company received a notice from the Buyer indicating that a post-closing adjustment in an amount of up to $14.0 million may be owed in respect of the working capital adjustment paid at closing. O n June 3, 2021, the firm engaged to resolve the dispute issued a binding, non-appealable resolution whereby it was determined the Company was liable for $5.8 million of the disputed amount, which was finalized and paid during the second quarter. The final settlement was expensed under (Loss) from operations of discontinued operations in our condensed consolidated statements of comprehensive income/(loss). Total operating and investing cash flows of discontinued operations for the six months ended June 30, 2020 is comprised of the following, which exclude the effect of income taxes: Six Months Ended June 30, 2020 Significant operating non-cash reconciliation items: Depreciation and amortization $ 1,936 Provision for bad debt and products returns $ 452 Revenue recognized due to change in deferred revenue $ (2,375 ) Deferred income tax provision $ (3,644 ) Stock-based compensation $ 240 Paid in kind interest expense $ 3,434 Amortizations of debt issuance costs $ 283 Amortizations of debt discount $ 2,479 Significant investing items: Purchases of property and equipment $ (1,856 ) Patent and acquired intangible asset costs $ (419 )

Leases

Leases	6 Months Ended
	Jun. 30, 2021
Leases [Abstract]
Leases	4. Leases The Company’s leases are classified as operating leases that include office space, automobiles, and copiers. The Company does not have any finance leases and the Company’s operating leases do not have any residual value guarantees, restrictions, or covenants. The Company’s leases have remaining lease terms of 1 to 8 years, some of which include options to extend or terminate the leases. The option to extend is only included in the lease term if the Company is reasonably certain of exercising that option. Operating lease right-of-use assets are presented within other assets-net on the condensed consolidated balance sheet. The current portion of operating lease liabilities are presented within accrued expenses, and the non-current portion of operating lease liabilities are presented within other long-term liabilities on the condensed consolidated balance sheet. The Company’s lease agreements do not provide a readily determinable implicit rate nor is it available to the Company from its lessors. Instead, the Company estimates its incremental borrowing rate based on information available at lease commencement in order to discount lease payments to present value. A subset of the Company’s automobile and copier leases contain variable payments. The variable lease payments for such automobile leases are based on actual mileage incurred at the standard contractual rate. The variable lease payments for such copier leases are based on actual copies incurred at the standard contractual rate. The variable lease costs for all leases are immaterial. The components of operating lease expense were as follows: For the Three Months Ended For the Six Months Ended June 30, June 30, 2021 2020 2021 2020 Operating lease cost $ 195 $ 362 $ 378 $ 738 Short-term operating lease cost 112 — 149 — Total operating lease cost $ 307 $ 362 $ 527 $ 738 Supplemental cash flow information related to operating leases was as follows: For the Three Months Ended For the Six Months Ended June 30, June 30, 2021 2020 2021 2020 Cash paid for amounts included in the measurement of lease liabilities $ 332 $ 374 $ 576 $ 733 ROU assets obtained in exchange for lease obligations 80 — 80 — Supplemental balance sheet information related to operating leases was as follows: Balance at Balance at Balance Sheet Classification June 30, 2021 December 31, 2020 Assets: Right-of-use assets Other assets - net $ 1,178 $ 1,425 Liabilities: Current Accrued expenses $ 470 $ 650 Noncurrent Other long-term liabilities 1,092 1,200 Total operating lease liabilities $ 1,562 $ 1,850 The weighted-average remaining lease terms and discount rates were as follows: For the Six Months Ended June 30, 2021 2020 Weighted-average remaining lease term (years) 5.8 4.7 Weighted-average discount rate 5.0 % 4.8 % As of June 30, 2021, maturities of operating lease liabilities were as follows: Balance at Maturity of Operating Lease Liabilities June 30, 2021 2021 (remaining) $ 514 2022 382 2023 219 2024 173 2025 162 2026 and beyond 557 Total future minimum lease payments 2,007 Less imputed interest (445 ) Total $ 1,562

Revenue from Contracts with Cus

Revenue from Contracts with Customers	6 Months Ended
	Jun. 30, 2021
Revenue From Contract With Customer [Abstract]
Revenue from Contracts with Customers	5 . The Company recognizes revenue upon transfer of control of promised products in an amount that reflects the consideration it expects to receive in exchange for those products. The Company typically transfers control at a point in time upon shipment or delivery of the implants for direct sales, or upon implantation for sales of consigned inventory. The customer is able to direct the use of and obtain substantially all of the benefits from the implant at the time the implant is shipped, delivered, or implanted , based on the terms of the contract. Disaggregation of Revenue The Company’s entire revenue for the three and six months ended June 30, 2021 and 2020 was recognized at a point in time. The following table represents total revenue by geographical region for the three and six months ended June 30, 2021 and 2020, respectively: For the Three Months Ended For the Six Months Ended June 30, June 30, 2021 2020 2021 2020 Revenues: Domestic $ 20,726 $ 16,951 $ 40,574 $ 39,227 International 4,108 3,583 7,551 8,409 Total revenues from contracts with customers $ 24,834 $ 20,534 $ 48,125 $ 47,636 The Company’s performance obligations consist mainly of transferring control of implants identified in the contracts. Some of the Company’s contracts offer assurance-type warranties in connection with the sale of a product to a customer. Assurance-type warranties provide a customer with assurance that the related product will function as the parties intended because it complies with agreed-upon specifications. Such warranties do not represent a separate performance obligation and are not material to the unaudited condensed consolidated financial statements.

Business Combinations

Business Combinations	6 Months Ended
	Jun. 30, 2021
Business Combinations [Abstract]
Business Combinations	6 . Business Combinations On April 30, 2021, the Company, entered into an Asset Purchase Agreement (the “Agreement”) with Prompt Prototypes LLC (“Prompt”), a California limited liability company, and Peter Kopley, an individual residing in the State of California (the “Sellers”). The Company purchased the assets of Prompt to expand its research and development capabilities, and create the capacity to produce certain medical prototypes. Pursuant to the terms of the Agreement, the Company purchased specific assets and assumed certain liabilities of Prompt for a purchase price of $1.1 million. At the closing, the Company paid $ 0.3 and issued restricted shares with an aggregate fair market value of $ 0.2 to the sellers. The remaining $0.6 million of the purchase price will be paid to Mr. Kopley, contingent on the continued employment with the Company, in the form of cash and restricted shares in two equal amounts on the 18 th th The following table summarizes the fair value of the identifiable assets acquired and liabilities assumed from the acquisition of Prompt as of June 30, 2021: (thousands) Inventories $ 140 Right-of-use assets 78 Property and equipment 528 Operating lease liabilities (78 ) Deferred tax liability (28 ) Net assets acquired $ 640 Bargain purchase gain (90 ) Total purchase price $ 550 Based on the preliminary purchase price, the fair value of the assets acquired and liabilities assumed exceeded the purchase price consideration resulting in a bargain purchase gain of $0.1 million, and was recorded in Other (income) expense – net in our condensed consolidated statements of comprehensive income/(loss) during the second quarter ended June 30, 2021. The bargain purchase was primarily driven by the potential future compensation expense in lieu of an increased purchase price. Holo Surgical Acquisition On September 29, 2020, the Company entered into a Stock Purchase Agreement (the “Holo Purchase Agreement”), with Roboticine, Inc, a Delaware corporation (the “Seller”), Holo Surgical S.A., a Polish joint-stock company (“Holo S.A.”), Pawel Lewicki, PhD (“Lewicki”), and Krzysztof Siemionow, MD, PhD (“Siemionow”), which provides for the Company to acquire all of the issued and outstanding equity interests in Holo Surgical Inc., a Delaware corporation and a wholly owned subsidiary of the Seller (“Holo Surgical”). The Seller, Holo S.A., Lewicki and Siemionow are together referred to herein as the “Seller Group Members”. The Acquisition was closed on October 23, 2020. As consideration for the Holo Surgical Acquisition, the Company paid to the Seller $30.0 million in cash and issued to the Seller 6,250,000 shares of common stock, par value $0.001 of the Company (“Common Stock”). In addition, the Seller is entitled to receive contingent consideration from the Company valued in an aggregate amount of up to $83.0 million, to be paid through the issuance of Common Stock or the payment of cash, contingent upon and following the achievement of certain regulatory, commercial and utilization milestones by specified time periods occurring up to the sixth (6th) anniversary of the closing. The Purchase Agreement provides that the Company will issue Common Stock to satisfy any contingent consideration payable to the Seller, until the total number of shares of Common Stock issued to the Seller pursuant to the Purchase Agreement (including the 6,250,000 shares of Common Stock issued at closing) is equal to 14,900,000 shares of Common Stock. Following the attainment of that limitation, the post-closing contingent payments would be payable in cash. The number of shares of Common Stock issued as contingent consideration with respect to the achievement of a post-closing milestone, if any, will be calculated based on the volume weighted average price of the Common Stock for the five (5) day trading period commencing on the opening of trading on the third trading day following the achievement of the applicable milestone. The Purchase Agreement also includes certain covenants and obligations of the Company with respect to the operation of the business of Holo Surgical that apply during the period in which the milestones may be achieved. The Company determined that substantially all of the fair value was concentrated in the acquired in-process research and development (“IPR&D”) asset in accordance with the guidance of ASC 805, Business Combinations . As such, the acquisition was accounted for as an asset acquisition. The total consideration of the asset acquisition was determined to be $95.0 million which consisted of a cash consideration of $30.0 million, $12.3 million of the 6,250,000 shares of Common Stock issued to the Seller, direct and incremental costs of $2.1 million incurred for the Holo Surgical Acquisition, and an estimated fair value of $50.6 million related to the contingent consideration. The Company has determined that the contingent consideration was part of the consideration of the asset acquisition and was accounted for as a liability at fair value on the acquisition date of October 23, 2020 in accordance with ASC 480, Distinguishing Liabilities from Equity . Subsequently, the liability shall be marked to market at the end of each reporting period with any change recognized in current earnings. The fair value of the liability was $54.2 million as of June 30, 2021 with $18.5 million classified as current liabilities within accrued expenses, while $35.7 million is included as other long-term liabilities in the Company’s accompanying condensed consolidated balance sheets. The change in the fair value of the liability of $2.2 million since December 31, 2020 was recognized in the gain on acquisition contingency line of the condensed consolidated statements of comprehensive income/(loss).

Stock-Based Compensation

Stock-Based Compensation	6 Months Ended
	Jun. 30, 2021
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Stock-Based Compensation	7 . Stock-Based Compensation The following tables summarize our stock option and stock grant awards by plan: For the six months ended June 30, 2021: Plan Stock Options Restricted Stock Awards Restricted Stock Units Total 2021 Incentive Inducement Plan 422,162 — 224,909 647,071 2021 Incentive Compensation Plan 114,091 — 4,449,713 4,563,804 2018 Incentive Compensation Plan 240,311 147,719 — 388,030 Total 776,564 147,719 4,674,622 5,598,905 For the Six months ended June 30, 2020: Plan Stock Options Restricted Stock Awards Restricted Stock Units Total 2018 Incentive Compensation Plan 755,866 944,289 — 1,700,155 Total 755,866 944,289 — 1,700,155 The Company recognized stock-based compensation as follows: For the Three Months Ended For the Six Months Ended June 30, June 30, 2021 2020 2021 2020 Stock-based compensation: Costs of goods sold $ — $ 36 $ 21 $ 72 Marketing, general and administrative 1,344 868 2,233 2,002 Research and development 69 15 95 30 Total $ 1,413 $ 919 $ 2,349 $ 2,104 For the three and six months ended June 30, 2020, the Company incurred $0.1 million, and $0.2 million, respectively, of stock-based compensation expense related to the disposed OEM Businesses. These expenses have been presented in the results from discontinued operations.

Net Loss Per Common Share

Net Loss Per Common Share	6 Months Ended
	Jun. 30, 2021
Earnings Per Share [Abstract]
Net Loss Per Common Share	8 . Net Loss Per Common Share A reconciliation of the number of shares of common stock used in the calculation of basic and diluted net income per common share is presented below: For the Three Months Ended For the Six Months Ended June 30, June 30, 2021 2020 2021 2020 Weighted average basic and dilutive shares 114,271,780 72,642,215 106,279,658 72,981,134 For the three and six months and ended June 30, 2021 and 2020, the Company has recorded a net loss from its continuing operations. As a result, the Company has excluded all potential dilutive shares from the computation of the diluted net loss per common share to avoid the anti-dilutive effect. The following table includes the number of potential dilutive shares that were excluded due to the anti-dilutive effect: For the Three Months Ended For the Six Months Ended June 30, June 30, 2021 2020 2021 2020 Stock Option 131,756 188,397 537,244 194,276 RSU and RSA 1,147,272 1,540,464 1,302,648 1,455,510 Convertible Series A Preferred Stock — 15,152,761 — 15,152,761 Total 1,279,028 16,881,622 1,839,892 16,802,547 For the three months ended June 30, 2021 and 2020, the company excluded 5,225,931 and 4,819,238, respectively, of issued stock options in the computation of diluted net loss per share, and for the six months ended June 30, 2021 and 2020, the company excluded 4,665,063 and 4,838,639, respectively, of issued stock options in the computation of diluted net loss per common share because their exercise price exceeded the average market price during the respective periods. The Company’s outstanding warrants were also excluded from the computation of diluted net loss per common share as they were considered “out-of-the-money” as of June 30, 2021. On October 23, 2020, the Company completed the acquisition of Holo Surgical and became obligated for a contingent consideration in an aggregate amount of $50.6 million which must be first paid in shares of the Company’s common stock (in an amount up to 8,650,000 shares) and then paid in cash thereafter, contingent upon and following the achievement of certain regulatory, commercial and utilization milestones by specified time periods occurring up to the sixth (6th) anniversary of the closing.

Inventories

Inventories	6 Months Ended
	Jun. 30, 2021
Inventory Disclosure [Abstract]
Inventories	9 . Inventories The inventory balances as of June 30, 2021 and December 31, 2020 consist entirely of finished goods and are stated on a consistent basis using the first-in, first-out method. For the three months ended June 30, 2021 and 2020, the Company had inventory write-downs of $1.6 million and $2.8 million, respectively, and for the six months ended June 30, 2021 and 2020, the Company had inventory write-downs of $4.4 million and $4.0 million, respectively

Prepaid and Other Current Asset

Prepaid and Other Current Assets	6 Months Ended
	Jun. 30, 2021
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]
Prepaid and Other Current Assets	10 . Prepaid and Other Current Assets Prepaid and other current assets are as follows: June 30, December 31, 2021 2020 Insurance recovery receivable $ 12,493 $ - Income tax receivable 6,890 4,836 Prepaid expenses 3,137 1,543 Other receivables 902 3,905 $ 23,422 $ 10,284

Property, Plant and Equipment

Property, Plant and Equipment	6 Months Ended
	Jun. 30, 2021
Property Plant And Equipment [Abstract]
Property, Plant and Equipment	1 1 . Property and Equipment The net book value of p roperty and equipment after accumulated depreciation and all impairment is as follows June 30, December 31, 2021 2020 Processing equipment $ 529 $ 35 Surgical instruments 469 440 Office equipment, furniture and fixtures 25 34 Computer equipment and software 11 12 Construction in process 11 — $ 1,045 $ 521 For the three months ended June 30, 2021 and 2020, the Company recorded depreciation expense in connection with property and equipment of $0.6 million and $1.1 million, respectively. For the six months ended June 30, 2021 and 2020, the Company recorded depreciation expense in connection with property and equipment of $1.1 million and $2.0 million, respectively. The Company uses the straight-line method of depreciation. For the three months ended June 30, 2021 and 2020, the Company recorded asset impairment and abandonment charges of $2.2 million and $0.9 million, respectively. For the six months ended June 30, 2021 and 2020, the Company recorded asset impairment and abandonment charges of $4.4 million and $2.8 million, respectively. The fair value of property and equipment was measured utilizing an orderly liquidation value of each of the underlying assets. As of June 30, 2021 and December 31, 2020, the Company capitalized a total of $1.1 million and $0.0 million of internal software expense related to the implementation of a new ERP system. These expenses have been recorded within construction in process as the development is still on going. As part of the quarterly impairment analysis, the Company impaired $0.3 million in March 2021 and $0.8 million in June 2021. The impairment charges were triggered by continued negative operating cash flows. In addition, for the three-month periods ended June 30, 2021 and 2020, the Company expensed $0.0 million and $0.0 million, respectively, related to the ERP implementation. For the six months ended June 30, 2021 and 2020, the company expensed $0.1 million and $0.0 million, respectively, related to the ERP implementation costs which were not capitalizable. These non-capitalizable expenses are recorded in the “Marketing, general, and administrative” line on the condensed consolidated statement s of comprehensive income/(loss) .

Warrants

Warrants	6 Months Ended
	Jun. 30, 2021
Warrants And Rights Note Disclosure [Abstract]
Warrants	12. On June 14, 2021, the Company issued and sold in a registered direct offering priced at-the-market an aggregate of 28,985,508 shares of its common stock and warrants exercisable for an aggregate of 28,985,508 shares of Company common stock, at a combined purchase price of $1.725 per share. The warrants have an exercise price equal to $1.725 per share, are exercisable immediately upon issuance and will expire three years from the issuance date. The net proceeds from the direct offering, after deducting investor and management fees, were $45.8 million. Upon any exercise of the offering warrants issued in the offering for cash, the Company agreed to pay the placement agent a total cash fee equal to 7.0% of the aggregate gross proceeds from the exercise of the offering warrants and a management fee equal to 1.0% of the aggregate gross proceeds from the exercise of the offering warrants. The Company, also in connection with the direct offering, issued the placement agent or its designees warrants to purchase an aggregate of up to 1,739,130 shares of its common stock. The placement agent warrants have substantially the same terms as the warrants described above, except that the placement agent warrants will have an exercise price of $2.15625 per share, and holders of the placement agent warrants are not entitled to receive cash dividends issued by the Company during such time as the placement agent warrant is outstanding. The Company accounts for its warrants in accordance with ASC 815-40, “Derivatives and Hedging—Contracts in Entity’s Own Equity” (“ASC 815”), under which the warrants did not meet the criteria for equity classification and thus were recorded as liabilities. Since the warrants met the definition of a derivative in accordance with ASC 815, these warrants were measured at fair value at inception and will be remeasured at each reporting date in accordance with ASC 820, Fair Value Measurement, with changes in fair value recognized in earnings in the period of change. The Company determined the fair value of its warrants based on the Black Scholes Option Pricing Model.

Fair Value Information

Fair Value Information	6 Months Ended
	Jun. 30, 2021
Fair Value Disclosures [Abstract]
Fair Value Information	1 3 . Fair Value Information Fair value is defined as the price that would be received upon the sale of an asset or paid to transfer a liability in an orderly transaction between market participants on the measurement date. Valuation techniques used to measure fair value maximize the use of observable inputs and minimize the use of unobservable inputs. The fair value hierarchy defines a three-level valuation hierarchy for classification and disclosure of fair value measurements as follows: Level 1 – Quoted prices in active markets for identical assets or liabilities. Level 2 – Inputs other than Level 1 that are observable, either directly or indirectly, such as quoted prices for similar assets or liabilities; quoted prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities. Level 3 – Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities. Acquisition Contingencies Zyga - On January 4, 2018, the Company acquired Zyga Technology, Inc. (“Zyga”) as further explained in Note 18. As of March 31, 2020, and December 31, 2019, based on a probability weighted model, the Company estimated a contingent liability related to the clinical and revenue milestones of $1.1 million. The fair value of the contingent liability was measured using Level 3 inputs. As of December 31, 2020, the Company determined that Zyga was not expected to meet the clinical milestone to earn the contingent consideration. As such, the liability for the milestone payment was reduced to zero as of December 31, 2020 and continues to be zero at June 30, 2021. Holo - On October 23, 2020, the Company acquired Holo Surgical as previously explained in Note 6 above. A portion of the consideration is contingent upon the achievement of certain regulatory, commercial and utilization milestones (the “milestone payment”). The contingent consideration is evaluated quarterly, or more frequently, if circumstances dictate . Changes in the fair value of contingent consideration are recorded in the loss (gain) on acquisition contingency line item in the condensed consolidated statements of income/(loss). Significant changes in unobservable inputs, mainly the probability of success and cash flows projected, could result in material changes to the contingent consideration liabilities. The Company determined the fair value of each milestone payment to be the present value of the future payment amount estimated using a probability weighted model. As of June 30, 2021 and December 31, 2020, a probability of success factor ranging from 0% to 90%, and 60% to 90%, respectively, was used in the fair value calculation to reflect inherent regulatory, development and commercial risk of the contingent payments. As of June 30, 2021 and December 31, 2020, the discount rate applied ranged from 0.06% to 8.22%, and 0.11% to 16.86%, respectively. This fair value measurement is based on significant unobservable inputs in the market and thus represents a Level 3 measurement within the fair value hierarchy. The fair value of the milestone payments is based on several factors, such as: the probability of expected achievement of the specific milestones, including risks associated with uncertainty regarding achievement and payment of milestones; obtaining regulatory approvals in the United States and Europe; development of new features used with the product; adaption of the new technology by surgeons; and placement of the devices within the field. As of December 31, 2020, the fair value of the contingent liability was $56.5 million with $9.0 million classified as current liability included within the accrued expenses line, and $47.5 million as long-term liability included within other long-term liabilities. As of June 30, 2021, the fair value of the contingent liability was $ 54.2 2021 2020 Beginning balance as of January 1 $ 56,515 $ 1,130 (Gain) loss (2,287 ) — Ending balance as of June 30 $ 54,228 $ 1,130 Property and Equipment, Intangibles and Other Assets Fair value is measured using Level 3 inputs for property and equipment, other intangible assets, and other assets. As of June 30, 2021, the Level 3 fair value was measured based on orderly liquidation value for the property and equipment and other assets. Other intangible assets Level 3 fair value was measured based on the income approach. Because the Company’s forecasted cash flow is negative, any intangible assets acquired during the period were immediately impaired, as the underlying business could not support the asset value. Unobservable inputs for the orderly liquidation value included replacement costs (unobservable), physical deterioration estimates (unobservable) and market sales data for comparable assets and unobservable inputs for the income approach included forecasted cash flows generated from use of the intangible assets (unobservable). Property and equipment, other intangibles and other assets were impaired and written down to their estimated fair values during the six months ended June 30, 2021 and year ended December 31, 2020. As a result of impairments recognized, the following table summarizes the fair value of assets subject to fair value measured using Level 3 inputs for the periods presented: June 30, December 31, 2021 2020 Property and equipment - net $ 1,045 $ 521 Other assets - net 10,228 10,145 $ 11,273 $ 10,666 Property and equipment was impaired and written down to their estimated fair values during the six months ended June 30, 2021 and 2020. Other intangible assets and other assets were impaired and written down to their estimated fair values during the six months ended June 30, 2021. The following table summarizes the impairment of assets subject to fair value measured using Level 3 inputs for the periods presented: For the Three Months Ended For the Six Months Ended June 30, June 30, 2021 2020 2021 2020 Property and equipment - net $ 2,012 $ 882 $ 3,791 $ 2,761 Other intangibles - net 150 — 311 — Other assets - net 44 — 280 — $ 2,206 $ 882 $ 4,382 $ 2,761 Warrant Liability Warrants are accounted for as liabilities in accordance with ASC 815-40 and are presented within warrant liabilities in the Company’s condensed consolidated balance sheet. The following table presents information about the Company’s liabilities that are measured at fair value on a recurring basis at June 30, 2021: Level June 30, 2021 December 31, 2020 Warrant liability 3 $ 24,226 $ — The table presented below is a summary of changes in the fair value of the Company’s Level 3 valuation for the warrant liability for the six months ended June 30, 2021: Warrant Liability Balance - December 31, 2020 $ — Initial fair value of warrant liability 26,749 Change in fair value (2,523 ) Balance - June 30, 2021 $ 24,226 The warrant liability is revalued each reporting period with the change in fair value recorded in the accompanying consolidated statements of operations until the warrants are exercised or expire. The fair value of the warrant liability is estimated using the Black-Scholes Option Pricing Model using the following valuation inputs: June 30, December 31, 2021 2020 Stock price $ 1.39 — Risk-free interest rate 0.45 % — Dividend yield 0.0 % — Volatility 100 % —

Accrued Expenses

Accrued Expenses	6 Months Ended
	Jun. 30, 2021
Other Liabilities Disclosure [Abstract]
Accrued Expenses	1 4 . Accrued Expenses Accrued expenses are as follows: June 30, December 31, 2021 2020 Current portion of accrued acquisition contingency - Holo $ 18,485 $ 8,996 Accrued securities class action settlement 10,500 — Accrued distributor commissions 3,786 4,113 Accrued compensation 3,320 2,268 Accrued severance and restructuring costs 131 — Other 6,503 6,267 $ 42,725 $ 21,644 During the first half of 2021, management implemented a plan as part of its reorganization which resulted in $0.2 million of accrued severance and restructuring expense for the six months ended June 30, 2021 which was included in severance and restructuring costs within the condensed consolidated statements of comprehensive income/(loss). The severance plan is the transition of certain employees’ responsibilities from Marquette, MI to Deerfield, IL or San Diego, CA and is composed of payroll and related healthcare expenses. The total severance and restructuring costs are anticipated to be paid in full by the third quarter of 2021 and are not expected to have a material impact on cash flows of the Company in any quarterly period. Severance paid for the six months ended June 30, 2021 was $0.1 million .

Other long-term liabilities

Other long-term liabilities	6 Months Ended
	Jun. 30, 2021
Other Liabilities Noncurrent [Abstract]
Other long-term liabilities	1 5 . Other long-term liabilities Other long-term liabilities are as follows: June 30, December 31, 2021 2020 Acquisition contingencies $ 35,743 $ 47,519 Warrant Liability 24,226 — Lease obligations 1,092 1,200 Other 3,138 2,992 $ 64,199 $ 51,711

Income Taxes

Income Taxes	6 Months Ended
	Jun. 30, 2021
Income Tax Disclosure [Abstract]
Income Taxes	1 6 . Income Taxes The Company evaluates the need for deferred tax asset valuation allowances based on a more likely than not standard. The ability to realize deferred tax assets depends on the ability to generate sufficient taxable income within the carryback or carryforward periods provided for in the tax law for each applicable tax jurisdiction. The Company has evaluated all evidence, both positive and negative, and determined that its deferred tax assets are not more likely than not to be realized. In making this determination, numerous factors were considered including the Company’s cumulative losses in recent years. For the three months ended June 30, 2021 and 2020, the Company recorded $0.1 million of income tax provision and less than $0.1 million of income tax provision, respectively, in continuing operations. The June 30, 2021 three-month income tax provision was primarily a result of impact of uncertain tax position interest accrual. The June 30, 2020 three-month income tax provision was a result of the full valuation allowance recorded against the loss from continuing operations. For the six months ended June 30, 2021 and 2020, the Company recorded $0.3 million of income tax provision and $3.5 million of income tax benefit, respectively. The June 30, 2021 six-month income tax provision was primarily a result of federal interest liability as a result of timing of payments and impact of uncertain tax position interest accrual. The June 30, 2020 six-month income tax benefit was primarily impacted by the CARES Act tax benefit.

Preferred Stock

Preferred Stock	6 Months Ended
	Jun. 30, 2021
Equity [Abstract]
Preferred Stock	1 7 . Preferred Stock Preferred stock is as follows: Preferred Stock Liquidation Preferred Stock Issuance Net Value Costs Total Balance at January 1, 2021 $ — $ — $ — Amortization of preferred stock issuance costs — — — Balance at June 30, 2021 — — — Preferred Stock Liquidation Preferred Stock Issuance Net Value Costs Total Balance at January 1, 2020 $ 66,519 $ (109 ) $ 66,410 Amortization of preferred stock issuance costs — 46 46 Balance at June 30, 2020 66,519 (63 ) 66,456 On July 17, 2020, the Company received a notification from Water Street Healthcare Partners (“WSHP”) seeking redemption on or before September 14, 2020 of all of the outstanding shares of the Company’s Series A Convertible Preferred Stock (“Series A Preferred Stock”), all of which are held by WSHP. On July 24, 2020, the Company redeemed the Series A Preferred Stock for approximately $66.5 million and a Certificate of Retirement was filed with the Delaware Secretary of State retiring the Series A Preferred Stock.

Commitments and Contingencies

Commitments and Contingencies	6 Months Ended
	Jun. 30, 2021
Commitments And Contingencies Disclosure [Abstract]
Commitments and Contingencies	1 8 . Commitments and Contingencies Acquisition of Paradigm – On March 8, 2019, pursuant to the Master Transaction Agreement, the Company acquired Paradigm in a cash and stock transaction valued at up to $300.0 million consisting of $150.0 million of cash on March 8, 2019, plus potential future milestone payments. Paradigm’s primary product is the coflex® Interlaminar Stabilization® device, a minimally invasive motion preserving stabilization implant that is FDA premarket approved for the treatment of moderate to severe lumbar spinal stenosis in conjunction with decompression. Under the terms of the agreement, the Company paid $100.0 million in cash and issued 10,729,614 shares of the Company’s common stock. The shares of Company common stock issued on March 8, 2019, were valued based on the volume weighted average closing trading price for the five trading days prior to the date of execution of the definitive agreement, representing $50.0 million of value. In addition, under the terms of the agreement, the Company may have been required to pay up to an additional $150.0 million in a combination of cash and Company common stock based on a revenue earnout consideration. The first potential earnout payment of was based on revenues achieved during any twelve-month period ending on December 31, 2020. As the revenue milestone was not achieved, there was no consideration due with respect to the first earnout period and the Company has no further liability with respect thereto. Based on a probability weighted model, the Company estimates a contingent liability related to the revenue based earnout of zero utilizing a Monte-Carlo simulation model. A Monte-Carlo simulation is an analytical method used to estimate fair value by performing a large number of simulations or trial runs and thereby determining a value based on the possible outcomes. Accounted for as a liability to be revalued at each reporting period, the fair value of the contingent liability was measured using Level 3 inputs, which includes weighted average cost of capital and projected revenues and costs. Acquisition of Zyga – O n January 4, 2018, the Company acquired Zyga, a spine-focused medical device company that develops and produces innovative minimally invasive devices to treat underserved conditions of the lumbar spine. Zyga’s primary product is the SImmetry® Sacroiliac Joint Fusion System. Under the terms of the merger agreement dated January 4, 2018, the Company acquired Zyga for $21.0 million in consideration paid at closing (consisting of borrowings of $18.0 million on its revolving credit facility and $3.0 million cash on hand), $1.0 million contingent upon the successful achievement of a clinical milestone, and a revenue based earnout consideration of up to an additional $35.0 million. As of June 30, 2021, the Company determined that Zyga was not expected to meet the clinical milestone to earn the contingent consideration. Aziyo – On August 1, 2018, the Company and Aziyo Biologics, Inc. entered into a Distribution Agreement which was subsequently amended on December 3, 2018, and November 15, 2020 (the “Distribution Agreement”). Pursuant to the Distribution Agreement, the Company has exclusive distribution rights to certain biologic implants manufactured by Aziyo and marketed under the ViBone trade name (“ViBone”). The Distribution Agreement provides for minimum purchases of ViBone implants on an annual basis through calendar 2025. If the minimum purchase obligations for a particular year are not fulfilled, the Distribution Agreement provides various options for the Company to satisfy such obligations (“Shortfall Obligations”) in subsequent years, including a combination of payments and/or providing purchase orders for the amount the shortfall in a given year. For calendar years 2022 and beyond, if the Company does not satisfy the Shortfall Obligations using one of the methods specified in the Distribution Agreement, the Company can continue to market the ViBone implants on a non-exclusive basis. In January 2021, the Company issued a purchase order to Aziyo for $12.4 million relating to the 2020 Shortfall Obligation. Acquisition of Holo Surgical – As part of the Holo Surgical acquisition, the Company estimated a total contingent liability of $50.6 million with $9.0 million classified as current liabilities and $41.6 million classified as long-term liabilities in the accompanying condensed consolidated balance sheets on the acquisition date of October 23, 2020. The fair value of the liability was subsequently changed to $56.5 million on December 31, 2020 with $9.0 million classified as current liabilities within accrued expenses while $47.5 million classified as other long-term liabilities. The fair value of the liability was $54.2 million as of June 30, 2021 with $18.5 million classified as current liabilities within accrued expenses in the accompanying condensed consolidated balance sheets, while $35.7 million is included as other long-term liabilities. The change in the fair value of the liability of $2.3 million since December 31, 2020 was recognized in the gain (loss) on acquisition contingency line of the condensed consolidated statements of comprehensive income/(loss). See Note 6 for further information of the Holo Surgical acquisition. Manufacturing Agreements with Former OEM Affiliates – In connection with the closing of the OEM Transaction, on July 20, 2020 the Company entered into three manufacturing and distribution agreements with affiliates of Montague Private Equity: (i) a Manufacture and Distribution Agreement (the “Hardware MDA”) with Pioneer Surgical Technology, Inc. (“Pioneer”) pursuant to which Pioneer will manufacture certain hardware implants for the Company; (ii) a Processing and Distribution Agreement with RTI Surgical, Inc. (“RTI”), an affiliate of Pioneer, pursuant to which RTI would process certain biologic implants for the Company (the “PDA”); and (ii) a Manufacture and Distribution Agreement (NanOss) pursuant to which Pioneer would manufacture certain synthetic implants for the Company (the “NanOss MDA”), and together with the Hardware MDA and the PDA, the “OEM Distribution Agreements”. The OEM Distribution Agreements contain aggregate minimum purchase obligations for each of the first three years of the agreements as follows: • Year 1: $24.2 million • Year 2: $25.8 million • Year 3: $27.2 million The OEM Distribution Agreements contain provisions whereby the minimum purchase obligations are reduced under certain circumstances, including certain force majeure events and termination of the agreements for certain specified reasons. In addition, on July 20, 2020, the Company entered into a Design and Development Agreement with Pioneer pursuant to which Pioneer will provide certain design and development services with respect to certain implants (the “Design and Development Agreement”). The Design and Development Agreement contains a provision whereby the Company will pay Pioneer a minimum of $1.7 million for direct labor costs and certain services with respect to maintaining design history files in each of the first two years under the Design and Development Agreement. OPM Agreement – On January 20, 2021, the Company and Oxford Performance Materials, Inc. (“Oxford”) entered into an Amended and Restated License and Supply Agreement (the “Oxford Supply Agreement”) pursuant to which Oxford licenses certain intellectual property to the Company and supplies the Company on an exclusive basis in the United States with Polyetherketoneketone (“PEKK”) material for use in spinal implants. In addition to certain royalties under the Oxford Supply Agreement, the Company is obligated to issue binding purchase orders in each quarter of 2021 of at least $0.2 million, or $0.6 million in the aggregate. Although the contract extends through 2025, there are no minimum purchase obligations beyond 2021 San Diego Lease – On March 12, 2021, the Company entered into a Lease (the “Lease”) with SNH Medical Office Properties Trust, a Maryland real estate investment trust (the “Landlord”), to house the Company’s offices, lab and innovation space (the “Building”) in San Diego, California. The initial term of the Lease is twelve (12) years, with one (1) extension option for a period of seven (7) years. Under the terms of the Lease, the Company will lease an aggregate of approximately 94,457 rentable square feet building located at 3030 Science Park Road, San Diego, California (the “Premises”). The Landlord will make improvements over the next 12 months, after which occupancy is expected to be delivered to the Company. Aggregate payments towards base rent for the Premises over the term of the lease will be approximately $64.6 million, including 13-months of rent abatement. The Company will recognize the lease assets and liabilities when the Landlord makes the underlying asset available to the Company. Concurrent with the Company’s execution of the Lease, as a security deposit, the Company delivered to the Landlord a payment in the amount of $2.5 million which is recorded within other assets – net in our condensed consolidated balance sheet.

Legal Actions

Legal Actions	6 Months Ended
	Jun. 30, 2021
Commitments And Contingencies Disclosure [Abstract]
Legal Actions	1 9 . Legal Actions The Company is, from time to time, involved in litigation relating to claims arising out of its operations in the ordinary course of business. Based on the information currently available to the Company, including the availability of coverage under its insurance policies, the Company does not believe that any of these claims that were outstanding as of June 30, 2021 will have a material adverse impact on its financial position or results of operations. The Company’s accounting policy is to accrue for legal costs as they are incurred. OEM Purchase Agreement Working Capital Dispute — On December 1, 2020, pursuant to the OEM Purchase Agreement, we received a notice from the Buyer indicating that a post-closing adjustment in an amount of up to $14.0 million may be owed in respect of the working capital adjustment paid at closing. We disagreed with the Buyer’s proposed post-closing adjustment and disputed the adjustment in accordance with the terms of the OEM Purchase Agreement. On June 3, 2021, the firm engaged to resolve the dispute issued a binding, non-appealable resolution whereby it was determined the Company is liable for $5.8 million of the amount remaining in dispute, which was finalized and paid during the second quarter. The final settlement was expensed under (Loss) from operations of discontinued operations in our condensed consolidated statements of comprehensive income/(loss). Coloplast — RTI Surgical, Inc., as a predecessor to the Company, is presently named as co-defendant along with other companies in a small percentage of the transvaginal surgical mesh (“TSM”) mass tort claims being brought in various state and federal courts. The TSM litigation has as its catalyst various Public Health Notifications issued by the FDA with respect to the placement of certain TSM implants that were the subject of 510(k) regulatory clearance prior to their distribution. The Company does not process or otherwise manufacture for distribution in the U.S. any implants that were the subject of these FDA Public Health Notifications. The Company denies any allegations against it and intends to continue to vigorously defend itself. In addition to claims made directly against the Company, Coloplast, a distributor of TSM’s and certain allografts processed and private labeled for them under a contract with the Company, has also been named as a defendant in individual TSM cases in various federal and state courts. Coloplast requested that the Company indemnify or defend Coloplast in those claims which allege injuries caused by the Company’s allograft implants, and on April 24, 2014, Coloplast sued RTI Surgical, Inc. in the Fourth Judicial District of Minnesota for declaratory relief and breach of contract. On December 11, 2014, Coloplast entered into a settlement agreement with RTI Surgical, Inc. and Tutogen Medical, Inc. (the “Company Parties”) resulting in dismissal of the case. Under the terms of the settlement agreement, the Company Parties are responsible for the defense and indemnification of two categories of present and future claims: (1) tissue only (where Coloplast is solely the distributor of Company processed allograft tissue and no Coloplast-manufactured or distributed synthetic mesh is identified) (“Tissue Only Claims”), and (2) tissue plus non-Coloplast synthetic mesh (“Tissue-Non-Coloplast Claims”) (the Tissue Only Claims and the Tissue-Non-Coloplast Claims being collectively referred to as “Indemnified Claims”). As of June 30 , 2021 , there are a cumulative total of 1,157 Indemnified Claims for which the Company Parties are providing defense and indemnification. In connection with the t ransactions, liabilities related to these claims remained a liability retained by the Company . The defense and indemnification of these cases are covered under the Company’s insurance policy subject to a reservation of rights by the insurer. Based on the current information available to the Company, the impact that current or any future TSM litigation may have on the Company cannot be reasonably estimated. LifeNet — On June 27, 2018, LifeNet Health, Inc. (“LifeNet”) filed a patent infringement lawsuit in the United States District Court for the Middle District of Florida (since moved to the Northern District of Florida) claiming infringement of five of its patents by the Company’s predecessor RTI Surgical, Inc. The suit requests damages, enhanced damages, reimbursement of costs and expenses, reasonable attorney fees, and an injunction. The asserted patents are expired. On April 7, 2019, the Court granted the Company’s request to stay the lawsuit pending the U.S. Patent Trial and Appeal Board’s (“PTAB”) decision whether to institute review of the patentability of LifeNet’s patents. On August 12, 2019 the PTAB instituted review of three LifeNet patents, and on September 3, 2019 the PTAB instituted review of the remaining two. On August 4, 2020 and August 26, 2020, the PTAB issued final written decisions finding that certain claims were shown to be unpatentable and others not. Neither party appealed the PTAB’s decisions with respect to the three LifeNet patents on which the PTAB instituted review on August 12, 2019. With respect to the remaining two LifeNet patents, Surgalign filed Notices of Appeal with the Federal Circuit on October 27, 2020 and LifeNet filed a Notice of Cross-appeal on November 9, 2020. The briefings related to these appeals were filed in the March through July timeframe. In connection with the transactions, liabilities related to these claims remained a liability retained by the Company. The Company continues to believe the suit is without merit and will vigorously defend its position. Based on the current information available to the Company, the impact that current or any future litigation may have on the Company cannot be reasonably estimated. Securities Class Action— There is currently ongoing stockholder litigation related to the Company’s Investigation (as defined below). A class action complaint was filed by Patricia Lowry, a purported shareholder of the Company, against the Company, and certain current and former officers of the Company, in the United States District Court for the Northern District of Illinois on March 23, 2020 asserting claims under Sections 10(b) and 20(a) the Securities Exchange Act of 1934 (the “Exchange Act”) and demanding a jury trial (the “Lowry Action”). The court appointed a different shareholder as Lead Plaintiff and she filed an amended complaint on August 31, 2020. On October 15, 2020, the Company and the other-named defendants moved to dismiss the amended complaint. In April 2021, the court denied the defendants’ motions to dismiss. On June 30, 2021, the parties to the Lowry Action conducted a mediation session, after which negotiations among the parties continued into July. On July 27, 2021 a binding term sheet settling the Lowry Action was entered into whereby the defendants will pay $10.5 million (inclusive of attorneys’ fees and administrative costs) in exchange for the dismissal with prejudice of all claims against the defendants in connection with the Lowry Action (the “Lowry Settlement”). The Lowry Settlement is subject to court approval, among other conditions. The Company anticipates that the settlement payment will be paid by the Company’s insurance providers under its directors and officers’ insurance policy. As such the Company has recorded a $10.5 million loss contingency and a $10.5 million insurance recovery as of June 30, 2021 within the marketing, general and administrative expense line on the condensed consolidated statements of comprehensive income (loss). A corresponding receivable and liability of $10.5 million was recorded within prepaid and other current assets, and accrued expenses on the condensed consolidated balance sheet. Derivative Lawsuits — Three derivative lawsuits have also been filed on behalf of the Company, naming it as a nominal defendant, and demanding a jury trial. On June 5, 2020, David Summers filed a shareholder derivative lawsuit ( the “ Summers Action”) against certain current and former directors and officers of the Company (as well as the Company as a nominal defendant), in the United States District Court for the Northern District of Illinois asserting statutory claims under Sections 10(b), 14(a) and 20(a) of the Exchange Act, as well as common law claims for breach of fiduciary duty, unjust enrichment and corporate waste. Thereafter, two similar shareholder derivative lawsuits asserting many of the same claims were filed in the same court against the same current and former directors and officers of the Company (as well as the Company as a nominal defendant). The three derivative lawsuits have been consolidated into the first-filed Summers Action. On September 6, 2020 the c ourt entered an order staying the Summers Action pending resolution of the motions to dismiss in the Lowry Action. The court has not yet taken action regarding the derivative actions. In the future, we may become subject to additional litigation or governmental proceedings or investigations that could result in additional unanticipated legal costs regardless of the outcome of the litigation. If we are not successful in any such litigation, we may be required to pay substantial damages or settlement costs. Based on the current information available to the Company, the impact that current or any future stockholder litigation may have on the Company cannot be reasonably estimated.

Regulatory Actions

Regulatory Actions	6 Months Ended
	Jun. 30, 2021
Text Block [Abstract]
Regulatory Actions	20 . Regulatory Actions SEC Investigations — As previously disclosed in the Company’s Current Report on Form 8-K filed with the SEC on March 16, 2020, and the Form 10-K filed with the SEC on June 8, 2020, the Audit Committee of the Board of Directors, with the assistance of independent legal and forensic accounting advisors, conducted an internal investigation of matters relating to the Company’s revenue recognition practices for certain contractual arrangements, primarily with customers of the Company’s formerly-owned OEM Businesses, including the accounting treatment, financial reporting and internal controls related to such arrangements (the “Investigation”). The Investigation also examined transactions to understand the practices related to manual journal entries for accrual and reserve accounts. As a result of the Investigation, the Audit Committee concluded that the Company would restate its previously issued audited financial statements for fiscal years 2018, 2017 and 2016, selected financial data for fiscal years 2015 and 2014, the unaudited condensed consolidated financial statements for the quarterly periods within these years commencing with the first quarter of 2016, as well as the unaudited condensed consolidated financial statements for the quarterly periods within the 2019 fiscal year. The Investigation was precipitated by an investigation by the SEC initially related to the periods 2014 through 2016 (the “SEC Investigation”). The SEC Investigation is ongoing and the Company is cooperating with the SEC. The Company has contacted the SEC regarding a potential settlement of the SEC Investigation and is awaiting a response. Based on the current information available to the Company the financial or other impact of the SEC Investigation cannot be reasonably determined. In addition, On April 30, 2021, the Company and one of its executive officers each received a subpoena from the SEC requesting documents in an investigation relating to trading in the Company’s securities in late 2019 and early 2020. The Company and the executive officer are cooperating with the investigation. The Company is, at this time, unable to predict what action, if any, might be taken in the future by the SEC as a result of the matters that are the subject of the subpoenas.

Related Party Transactions

Related Party Transactions	6 Months Ended
	Jun. 30, 2021
Related Party Transactions [Abstract]
Related Party Transactions	2 1 . Related Party Transactions The Company’s related parties include: i) a person who is or was (since the beginning of the last fiscal year for which the Company has filed a Form 10-K and proxy statement, even if he or she does not presently serve in that role) an executive officer, director or nominee for election as a director; ii) granter than five percent beneficial owner of the Company’s common stock; or iii) immediate family member of any of the foregoing. The Company did not enter into any related party transactions in 2018 and 2019. In 2020, the Company has entered into the following related party transactions: The Holo Surgical Acquisition As discussed in Note 6, on September 29, 2020, the Company entered into the Holo Purchase Agreement, pursuant to which, among other things, the Company consummated the Acquisition on October 23, 2020. As consideration for the Acquisition, the Company paid to Seller $30.0 million in cash and issued to Seller 6,250,000 shares of its common stock with a fair value of $12.3 million. In addition, the Seller will be entitled to receive contingent consideration from the Company valued at $50.6 million as of October 23, 2020, which must be first paid in shares of our common stock (in an amount up to 8,650,000 shares) and then paid in cash thereafter, contingent upon and following the achievement of certain regulatory, commercial and utilization milestones by specified time periods occurring up to the sixth (6th) anniversary of the Closing Date. Dr. Pawel Lewicki, a member of the Company’s board of directors, indirectly owns approximately 57.5% of the outstanding ownership interests in the Seller. Dr. Lewicki was appointed to the Company’s board of directors on November 23, 2020 Simpson Consulting Agreement On July 15, 2020, the Board appointed Stuart F. Simpson to serve as the Chairman of the Board, effective immediately upon consummation of the transactions contemplated by the Holo Surgical Purchase Agreement. On July 20, 2020, Mr. Simpson entered into a consulting agreement (“the Consulting Agreement”) with the Company, pursuant to which he will provide consulting services to the Company. The Consulting Agreement has an initial term of three years, but may be extended with the mutual agreement of the parties. Mr. Simpson will be entitled to an annual consulting fee of $ 0.3 million per year during the term of the Consulting Agreement, payable in 12 equal monthly installments, and the Company agreed to enter into a restricted stock award agreement, pursuant to which the Company will grant to Mr. Simpson a restricted stock award equal to $ 0.8 million . The restricted stock grant shall vest in three equal amounts on the first, second and third anniversaries of the grant date. These amounts are in lieu of any amounts Mr. Simpson would otherwise receive as a director .

Subsequent Events

Subsequent Events	6 Months Ended
	Jun. 30, 2021
Subsequent Events [Abstract]
Subsequent Events	2 2 . Subsequent Events The Company evaluated subsequent events as of the issuance date of the unaudited condensed consolidated financial statements as defined by FASB ASC 855, Subsequent Events

Basis of Presentation (Policies

Basis of Presentation (Policies)	6 Months Ended
	Jun. 30, 2021
Accounting Changes And Error Corrections [Abstract]
Liquidity	Liquidity As the global outbreak of COVID-19 continues to rapidly evolve, it could continue to materially and adversely affect our revenues, financial condition, profitability, and cash flows for an indeterminate period of time.
Accounting Standards Issued But Not Yet Adopted	Accounting Standards Issued But Not Yet Adopted In August 2020, the FASB issued ASU 2020-06, "Debt—Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives and Hedging—Contracts in Entity’s Own Equity (Subtopic 815-40)
Immaterial restatement of earnings per share (EPS)	Immaterial restatement of earnings per share (“EPS”) During the first fiscal quarter of 2021, the Company identified errors in the calculation of its historical basic and diluted EPS. In the historical periods presented in the filing, the weighted average basic and diluted shares incorrectly included treasury stock, restricted stock awards, and restricted stock units. The weighted average shares used in the restated basic and diluted EPS from continuing operations and discontinued operation s has been corrected.
Significant New Accounting Policies	Significant New Accounting Policies Warrant Liability The Company accounts for its warrants Derivatives and Hedging—Contracts in Entity’s Own Equity warrants Fair Value Measurement” warrants

Discontinued Operations (Tables

Discontinued Operations (Tables)	6 Months Ended
	Jun. 30, 2021
Discontinued Operations And Disposal Groups [Abstract]
Schedule of Financial Results and Operating and Investing Cash Flows of Discontinued Operations	The following table presents the financial results of the discontinued operations: Three Months Ended June 30, Six Months Ended June 30, 2020 2020 Major classes of line items constituting net income from discontinued operations Revenues $ 33,691 $ 80,316 Costs of processing and distribution 21,625 45,674 Gross profit 12,066 34,642 Expenses: Marketing, general and administrative 4,917 10,377 Severance and restructuring costs 604 604 Transaction and integration expenses 4,917 11,789 Total expenses 10,438 22,770 Operating income 1,628 11,872 Other expense - net: Interest expense 5,972 9,537 Derivative loss 12,641 12,641 Foreign exchange gain (22 ) (20 ) Total other expense - net 18,591 22,158 Loss from discontinued operations (16,963 ) (10,286 ) Income tax (benefit) (3,345 ) (3,345 ) Net loss from discontinued operations $ (13,618 ) $ (6,941 ) Total operating and investing cash flows of discontinued operations for the six months ended June 30, 2020 is comprised of the following, which exclude the effect of income taxes: Six Months Ended June 30, 2020 Significant operating non-cash reconciliation items: Depreciation and amortization $ 1,936 Provision for bad debt and products returns $ 452 Revenue recognized due to change in deferred revenue $ (2,375 ) Deferred income tax provision $ (3,644 ) Stock-based compensation $ 240 Paid in kind interest expense $ 3,434 Amortizations of debt issuance costs $ 283 Amortizations of debt discount $ 2,479 Significant investing items: Purchases of property and equipment $ (1,856 ) Patent and acquired intangible asset costs $ (419 )

Leases (Tables)

Leases (Tables)	6 Months Ended
	Jun. 30, 2021
Leases [Abstract]
Schedule of Operating Leases	The components of operating lease expense were as follows: For the Three Months Ended For the Six Months Ended June 30, June 30, 2021 2020 2021 2020 Operating lease cost $ 195 $ 362 $ 378 $ 738 Short-term operating lease cost 112 — 149 — Total operating lease cost $ 307 $ 362 $ 527 $ 738
Schedule of Supplemental Cash Flow Information Related to Leases	Supplemental cash flow information related to operating leases was as follows: For the Three Months Ended For the Six Months Ended June 30, June 30, 2021 2020 2021 2020 Cash paid for amounts included in the measurement of lease liabilities $ 332 $ 374 $ 576 $ 733 ROU assets obtained in exchange for lease obligations 80 — 80 —
Schedule of Supplemental Balance Sheet Information Related to Leases	Supplemental balance sheet information related to operating leases was as follows: Balance at Balance at Balance Sheet Classification June 30, 2021 December 31, 2020 Assets: Right-of-use assets Other assets - net $ 1,178 $ 1,425 Liabilities: Current Accrued expenses $ 470 $ 650 Noncurrent Other long-term liabilities 1,092 1,200 Total operating lease liabilities $ 1,562 $ 1,850
Schedule of Weighted-Average Remaining Lease Terms and Discount Rates	The weighted-average remaining lease terms and discount rates were as follows: For the Six Months Ended June 30, 2021 2020 Weighted-average remaining lease term (years) 5.8 4.7 Weighted-average discount rate 5.0 % 4.8 %
Schedule of Maturities of Operating Lease Liabilities	As of June 30, 2021, maturities of operating lease liabilities were as follows: Balance at Maturity of Operating Lease Liabilities June 30, 2021 2021 (remaining) $ 514 2022 382 2023 219 2024 173 2025 162 2026 and beyond 557 Total future minimum lease payments 2,007 Less imputed interest (445 ) Total $ 1,562

Revenue from Contracts with C_2

Revenue from Contracts with Customers (Tables)	6 Months Ended
	Jun. 30, 2021
Revenue From Contract With Customer [Abstract]
Schedule of Total Revenue by Geographical Region	The Company’s entire revenue for the three and six months ended June 30, 2021 and 2020 was recognized at a point in time. The following table represents total revenue by geographical region for the three and six months ended June 30, 2021 and 2020, respectively: For the Three Months Ended For the Six Months Ended June 30, June 30, 2021 2020 2021 2020 Revenues: Domestic $ 20,726 $ 16,951 $ 40,574 $ 39,227 International 4,108 3,583 7,551 8,409 Total revenues from contracts with customers $ 24,834 $ 20,534 $ 48,125 $ 47,636

Business Combinations (Tables)

Business Combinations (Tables)	6 Months Ended
	Jun. 30, 2021
Business Combinations [Abstract]
Summary of Fair Value of Identifiable Assets Acquired and Liabilities Assumed	The following table summarizes the fair value of the identifiable assets acquired and liabilities assumed from the acquisition of Prompt as of June 30, 2021: (thousands) Inventories $ 140 Right-of-use assets 78 Property and equipment 528 Operating lease liabilities (78 ) Deferred tax liability (28 ) Net assets acquired $ 640 Bargain purchase gain (90 ) Total purchase price $ 550

Stock-Based Compensation (Table

Stock-Based Compensation (Tables)	6 Months Ended
	Jun. 30, 2021
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Schedule of Stock Option And Stock Grant Awards By Plan	The following tables summarize our stock option and stock grant awards by plan: For the six months ended June 30, 2021: Plan Stock Options Restricted Stock Awards Restricted Stock Units Total 2021 Incentive Inducement Plan 422,162 — 224,909 647,071 2021 Incentive Compensation Plan 114,091 — 4,449,713 4,563,804 2018 Incentive Compensation Plan 240,311 147,719 — 388,030 Total 776,564 147,719 4,674,622 5,598,905 For the Six months ended June 30, 2020: Plan Stock Options Restricted Stock Awards Restricted Stock Units Total 2018 Incentive Compensation Plan 755,866 944,289 — 1,700,155 Total 755,866 944,289 — 1,700,155
Stock-Based Compensation Recognized	The Company recognized stock-based compensation as follows: For the Three Months Ended For the Six Months Ended June 30, June 30, 2021 2020 2021 2020 Stock-based compensation: Costs of goods sold $ — $ 36 $ 21 $ 72 Marketing, general and administrative 1,344 868 2,233 2,002 Research and development 69 15 95 30 Total $ 1,413 $ 919 $ 2,349 $ 2,104

Net Loss Per Common Share (Tabl

Net Loss Per Common Share (Tables)	6 Months Ended
	Jun. 30, 2021
Earnings Per Share [Abstract]
Reconciliation of Common Stock used in Calculation of Basic and Diluted Earnings Per Share	A reconciliation of the number of shares of common stock used in the calculation of basic and diluted net income per common share is presented below: For the Three Months Ended For the Six Months Ended June 30, June 30, 2021 2020 2021 2020 Weighted average basic and dilutive shares 114,271,780 72,642,215 106,279,658 72,981,134
Schedule of Number of Potential Dilutive Shares that Excluded Due to Anti-dilutive Effect	The following table includes the number of potential dilutive shares that were excluded due to the anti-dilutive effect: For the Three Months Ended For the Six Months Ended June 30, June 30, 2021 2020 2021 2020 Stock Option 131,756 188,397 537,244 194,276 RSU and RSA 1,147,272 1,540,464 1,302,648 1,455,510 Convertible Series A Preferred Stock — 15,152,761 — 15,152,761 Total 1,279,028 16,881,622 1,839,892 16,802,547

Prepaid and Other Current Ass_2

Prepaid and Other Current Assets (Tables)	6 Months Ended
	Jun. 30, 2021
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]
Schedule of Prepaid and Other Current Assets	Prepaid and other current assets are as follows: June 30, December 31, 2021 2020 Insurance recovery receivable $ 12,493 $ - Income tax receivable 6,890 4,836 Prepaid expenses 3,137 1,543 Other receivables 902 3,905 $ 23,422 $ 10,284

Property and Equipment (Tables)

Property and Equipment (Tables)	6 Months Ended
	Jun. 30, 2021
Property Plant And Equipment [Abstract]
Schedule of Net Book Value of Property and Equipment after Accumulated Depreciation and Impairment	The net book value of p roperty and equipment after accumulated depreciation and all impairment is as follows June 30, December 31, 2021 2020 Processing equipment $ 529 $ 35 Surgical instruments 469 440 Office equipment, furniture and fixtures 25 34 Computer equipment and software 11 12 Construction in process 11 — $ 1,045 $ 521

Fair Value Information (Tables)

Fair Value Information (Tables)	6 Months Ended
	Jun. 30, 2021
Fair Value Disclosures [Abstract]
Summary of Reconciliation of Acquisition Contingencies	A reconciliation of the Company’s acquisition contingencies is as follows: 2021 2020 Beginning balance as of January 1 $ 56,515 $ 1,130 (Gain) loss (2,287 ) — Ending balance as of June 30 $ 54,228 $ 1,130
Summary of Fair Value Assets Subject to Fair Value Measured Using Level 3 Inputs	As a result of impairments recognized, the following table summarizes the fair value of assets subject to fair value measured using Level 3 inputs for the periods presented: June 30, December 31, 2021 2020 Property and equipment - net $ 1,045 $ 521 Other assets - net 10,228 10,145 $ 11,273 $ 10,666
Summary of Impairments of Assets Subject to Fair Value Measured Using Level 3 Inputs	The following table summarizes the impairment of assets subject to fair value measured using Level 3 inputs for the periods presented: For the Three Months Ended For the Six Months Ended June 30, June 30, 2021 2020 2021 2020 Property and equipment - net $ 2,012 $ 882 $ 3,791 $ 2,761 Other intangibles - net 150 — 311 — Other assets - net 44 — 280 — $ 2,206 $ 882 $ 4,382 $ 2,761
Schdule of Liabilities Measured at Fair Value on Recurring Basis	The following table presents information about the Company’s liabilities that are measured at fair value on a recurring basis at June 30, 2021: Level June 30, 2021 December 31, 2020 Warrant liability 3 $ 24,226 $ —
Summary of Changes in Fair Value of Level 3 Valuation for the Warant Lability	The table presented below is a summary of changes in the fair value of the Company’s Level 3 valuation for the warrant liability for the six months ended June 30, 2021: Warrant Liability Balance - December 31, 2020 $ — Initial fair value of warrant liability 26,749 Change in fair value (2,523 ) Balance - June 30, 2021 $ 24,226
Fair Value of Warrant Liability Valuation Inputs	The warrant liability is revalued each reporting period with the change in fair value recorded in the accompanying consolidated statements of operations until the warrants are exercised or expire. The fair value of the warrant liability is estimated using the Black-Scholes Option Pricing Model using the following valuation inputs: June 30, December 31, 2021 2020 Stock price $ 1.39 — Risk-free interest rate 0.45 % — Dividend yield 0.0 % — Volatility 100 % —

Accrued Expenses (Tables)

Accrued Expenses (Tables)	6 Months Ended
	Jun. 30, 2021
Other Liabilities Disclosure [Abstract]
Accrued Expenses	Accrued expenses are as follows: June 30, December 31, 2021 2020 Current portion of accrued acquisition contingency - Holo $ 18,485 $ 8,996 Accrued securities class action settlement 10,500 — Accrued distributor commissions 3,786 4,113 Accrued compensation 3,320 2,268 Accrued severance and restructuring costs 131 — Other 6,503 6,267 $ 42,725 $ 21,644

Other long-term liabilities (Ta

Other long-term liabilities (Tables)	6 Months Ended
	Jun. 30, 2021
Other Liabilities Noncurrent [Abstract]
Summary of Other long-term liabilities	Other long-term liabilities are as follows: June 30, December 31, 2021 2020 Acquisition contingencies $ 35,743 $ 47,519 Warrant Liability 24,226 — Lease obligations 1,092 1,200 Other 3,138 2,992 $ 64,199 $ 51,711

Preferred Stock (Tables)

Preferred Stock (Tables)	6 Months Ended
	Jun. 30, 2021
Equity [Abstract]
Schedule of Preferred Stock	Preferred stock is as follows: Preferred Stock Liquidation Preferred Stock Issuance Net Value Costs Total Balance at January 1, 2021 $ — $ — $ — Amortization of preferred stock issuance costs — — — Balance at June 30, 2021 — — — Preferred Stock Liquidation Preferred Stock Issuance Net Value Costs Total Balance at January 1, 2020 $ 66,519 $ (109 ) $ 66,410 Amortization of preferred stock issuance costs — 46 46 Balance at June 30, 2020 66,519 (63 ) 66,456

Business - Additional Informati

Business - Additional Information (Detail) $ / shares in Units, $ in Thousands	Jun. 14, 2021USD ($)$ / sharesshares	Feb. 01, 2021USD ($)$ / sharesshares	Jul. 21, 2020Segment	Jul. 20, 2020USD ($)Segment	Jun. 30, 2021USD ($)	Jun. 30, 2020USD ($)	Jun. 30, 2021USD ($)Country	Jun. 30, 2020USD ($)	Dec. 31, 2020USD ($)
Business [Line Items]
Number of reportable segments | Segment			1	2
Cash and cash equivalents					$ 69,257		$ 69,257		$ 43,962
Accumulated deficit					(516,344)		(516,344)		$ (484,962)
Net loss from continuing operations					(10,639)	$ (24,946)	(25,829)	$ (49,486)
Strike price of warrants | $ / shares	$ 1.725
COVID-19 [Member]
Business [Line Items]
Contingent consideration amounts					18,500		18,500
Expected contingent consideration amounts					$ 54,200		$ 54,200
Public Offering [Member]
Business [Line Items]
Common stock sold | shares	28,985,508	28,700,000
Net proceeds from issuance of common stock	$ 45,800	$ 36,500
Investor fees	$ 4,200
Common stock price per share | $ / shares		$ 1.50
Underwriting discounts and commission		$ 4,000
Public Offering [Member] | Placement Agent Warrants [Member]
Business [Line Items]
Strike price of warrants | $ / shares	$ 2.15625
Public Offering [Member] | Investor [Member]
Business [Line Items]
Strike price of warrants | $ / shares	$ 1.725
Ardi Bidco Ltd. [Member] | Discontinued Operations, Held-for-sale [Member]
Business [Line Items]
Consideration received or receivable for disposal of assets				$ 440,000
Minimum [Member]
Business [Line Items]
Number of countries that receive distribution | Country							40
Maximum [Member] | Public Offering [Member] | Placement Agent Warrants [Member]
Business [Line Items]
Number of common stock shares issuable upon conversion of warrants | shares	1,739,130
Maximum [Member] | Public Offering [Member] | Investor [Member]
Business [Line Items]
Number of common stock shares issuable upon conversion of warrants | shares	28,985,508

Discontinued Operations - Sched

Discontinued Operations - Schedule of Financial Results of Discontinued Operations (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Discontinued Operations And Disposal Groups [Abstract]
Revenues		$ 33,691		$ 80,316
Costs of processing and distribution		21,625		45,674
Gross profit		12,066		34,642
Expenses:
Marketing, general and administrative		4,917		10,377
Severance and restructuring costs		604		604
Transaction and integration expenses		4,917		11,789
Total expenses		10,438		22,770
Operating income		1,628		11,872
Interest expense		5,972		9,537
Derivative loss		12,641		12,641
Foreign exchange gain		(22)		(20)
Total other expense - net		18,591		22,158
Loss from discontinued operations		(16,963)		(10,286)
Income tax (benefit)	$ (763)	(3,345)	$ (763)	(3,345)
Net loss from discontinued operations		$ (13,618)		$ (6,941)

Discontinued Operations - Addit

Discontinued Operations - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2021	Jun. 03, 2021	Dec. 01, 2020
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Maximum working capital adjustment amount				$ 14
Liable amount, remaining in dispute			$ 5.8
Liable dispute amount paid	$ 5.8
Minimum [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Transitional services period related to it support, customer and vendor management, and procurement		3 months
Maximum [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Transitional services period related to it support, customer and vendor management, and procurement		12 months

Discontinued Operations - Summa

Discontinued Operations - Summary of Operating and Investing Cash Flows of Discontinued Operations (Detail) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Significant operating non-cash reconciliation items:
Stock-based compensation	$ 2,349	$ 2,344
Paid in kind interest expense		3,434
Amortization of debt issuance costs		283
Amortization of debt discount		2,479
Significant investing items:
Purchases of property and equipment	$ (629)	(342)
Discontinued Operations [Member]
Significant operating non-cash reconciliation items:
Depreciation and amortization		1,936
Provision for bad debt and products returns		452
Revenue recognized due to change in deferred revenue		(2,375)
Deferred income tax provision		(3,644)
Stock-based compensation		240
Paid in kind interest expense		3,434
Amortization of debt issuance costs		283
Amortization of debt discount		2,479
Significant investing items:
Purchases of property and equipment		(1,856)
Patent and acquired intangible asset costs		$ (419)

Leases - Additional Information

Leases - Additional Information (Detail)	6 Months Ended
	Jun. 30, 2021
Operating lease, description	The Company’s leases are classified as operating leases that include office space, automobiles, and copiers. The Company does not have any finance leases and the Company’s operating leases do not have any residual value guarantees, restrictions, or covenants.
Lessee, operating lease, existence of residual value guarantees, restrictions or covenants	false
Lease not yet commenced, option to extend	The option to extend is only included in the lease term if the Company is reasonably certain of exercising that option.
Minimum [Member]
Operating lease remaining term	1 year
Maximum [Member]
Operating lease remaining term	8 years

Leases - Schedule of Operating

Leases - Schedule of Operating Leases (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Leases [Abstract]
Operating lease cost	$ 195	$ 362	$ 378	$ 738
Short-term operating lease cost	112		149
Total operating lease cost	$ 307	$ 362	$ 527	$ 738

Leases - Schedule of Supplement

Leases - Schedule of Supplemental Cash Flow Information Related to Leases (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Leases [Abstract]
Cash paid for amounts included in the measurement of lease liabilities	$ 332	$ 374	$ 576	$ 733
ROU assets obtained in exchange for lease obligations	$ 80		$ 80

Leases - Schedule of Suppleme_2

Leases - Schedule of Supplemental Balance Sheet Information Related to Leases (Detail) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Total operating lease liabilities	$ 1,562	$ 1,850
Other Assets [Member]
Right-of-use assets	1,178	1,425
Accrued Expenses [Member]
Current	470	650
Other Long Term Liabilities [Member]
Noncurrent	$ 1,092	$ 1,200

Leases - Schedule of Weighted-A

Leases - Schedule of Weighted-Average Remaining Lease Terms and Discount Rates (Detail)	Jun. 30, 2021	Jun. 30, 2020
Leases [Abstract]
Weighted-average remaining lease term (years)	5 years 9 months 18 days	4 years 8 months 12 days
Weighted-average discount rate	5.00%	4.80%

Leases - Schedule of Maturities

Leases - Schedule of Maturities of Operating Lease Liabilities (Detail) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Leases [Abstract]
2021 (remaining)	$ 514
2022	382
2023	219
2024	173
2025	162
2026 and beyond	557
Total future minimum lease payments	2,007
Less imputed interest	(445)
Total	$ 1,562	$ 1,850

Revenue from Contracts with C_3

Revenue from Contracts with Customers - Schedule of Total Revenue by Geographical Region (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Disaggregation Of Revenue [Line Items]
Revenues	$ 24,834	$ 20,534	$ 48,125	$ 47,636
Transferred At Point In Time [Member]
Disaggregation Of Revenue [Line Items]
Revenues	24,834	20,534	48,125	47,636
Transferred At Point In Time [Member] | Domestic [Member]
Disaggregation Of Revenue [Line Items]
Revenues	20,726	16,951	40,574	39,227
Transferred At Point In Time [Member] | International [Member]
Disaggregation Of Revenue [Line Items]
Revenues	$ 4,108	$ 3,583	$ 7,551	$ 8,409

Business Combinations - Additio

Business Combinations - Additional Information (Detail) - USD ($)	Oct. 23, 2020	Sep. 29, 2020	Apr. 30, 2021	Jun. 30, 2021	Dec. 31, 2020
Business Combinations [Line Items]
Common stock, par value				$ 0.001	$ 0.001
Cash consideration				$ 330,000
Asset Purchase Agreement [Member] | Prompt Prototypes [Member]
Business Combinations [Line Items]
Payments to acquire businesses			$ 1,100,000
Business acquisition, cash to be paid at closing			300,000
Business combination remaining of cash and restricted shares contingent			600,000
Asset Purchase Agreement [Member] | Prompt Prototypes [Member] | Other (Income) Expense - Net [Member]
Business Combinations [Line Items]
Business combination, bargain purchase gain			100,000
Asset Purchase Agreement [Member] | Prompt Prototypes [Member] | Restricted Stock
Business Combinations [Line Items]
Business acquisition, common shares issuable value			$ 200,000
Stock Purchase Agreement [Member] | Holo Surgical Inc. [Member]
Business Combinations [Line Items]
Business acquisition, contingent consideration arrangements, description				On October 23, 2020, the Company completed the acquisition of Holo Surgical and became obligated for a contingent consideration in an aggregate amount of $50.6 million which must be first paid in shares of the Company’s common stock (in an amount up to 8,650,000 shares) and then paid in cash thereafter, contingent upon and following the achievement of certain regulatory, commercial and utilization milestones by specified time periods occurring up to the sixth (6th) anniversary of the closing.
Business acquisition, contingent consideration arrangements, basis for amount				The number of shares of common stock issued as contingent consideration with respect to the achievement of a post-closing milestone, if any, will be calculated based on the volume weighted average price of the common stock for the five (5) day trading period commencing on the opening of trading on the third trading day following the achievement of the applicable milestone.
Stock Purchase Agreement [Member] | Holo Surgical Inc. [Member] | Roboticine, Inc. [Member]
Business Combinations [Line Items]
Payments to acquire businesses		$ 95,000,000
Business acquisition, cash to be paid at closing	$ 30,000,000	$ 30,000,000
Common stock, par value		$ 0.001
Business acquisition, contingent consideration payable upon achievement of post-closing milestones	50,600,000	$ 83,000,000
Business acquisition, contingent consideration arrangements, description		In addition, the Seller is entitled to receive contingent consideration from the Company valued in an aggregate amount of up to $83.0 million, to be paid through the issuance of Common Stock or the payment of cash, contingent upon and following the achievement of certain regulatory, commercial and utilization milestones by specified time periods occurring up to the sixth (6th) anniversary of the closing. The Purchase Agreement provides that the Company will issue Common Stock to satisfy any contingent consideration payable to the Seller, until the total number of shares of Common Stock issued to the Seller pursuant to the Purchase Agreement (including the 6,250,000 shares of Common Stock issued at closing) is equal to 14,900,000 shares of Common Stock
Business acquisition, contingent consideration arrangements, basis for amount		The number of shares of Common Stock issued as contingent consideration with respect to the achievement of a post-closing milestone, if any, will be calculated based on the volume weighted average price of the Common Stock for the five (5) day trading period commencing on the opening of trading on the third trading day following the achievement of the applicable milestone.
Cash consideration		$ 30,000,000
Direct and incremental costs		2,100,000
Estimated fair value related to contingent consideration		50,600,000
Fair value of liability				$ 54,200,000	$ 56,500,000
Change in fair value of liability				2,300,000
Stock Purchase Agreement [Member] | Holo Surgical Inc. [Member] | Roboticine, Inc. [Member] | Accrued Expenses [Member]
Business Combinations [Line Items]
Fair value of liability				18,500,000
Stock Purchase Agreement [Member] | Holo Surgical Inc. [Member] | Roboticine, Inc. [Member] | Other Long-Term Liabilities [Member]
Business Combinations [Line Items]
Fair value of liability				35,700,000	$ 47,500,000
Stock Purchase Agreement [Member] | Holo Surgical Inc. [Member] | Common Stock [Member]
Business Combinations [Line Items]
Business acquisition, contingent consideration payable upon achievement of post-closing milestones	50,600,000
Stock Purchase Agreement [Member] | Holo Surgical Inc. [Member] | Common Stock [Member] | Roboticine, Inc. [Member]
Business Combinations [Line Items]
Business acquisition, common shares issuable value	$ 12,300,000	$ 12,300,000
Business acquisition, common shares issuable at closing	6,250,000	6,250,000
Business acquisition, equity interests issued or issuable for contingent consideration upon achievement of post-closing milestones		14,900,000
Stock Purchase Agreement [Member] | Holo Surgical Inc. [Member] | Gain (loss) on Acquisition Contingency [Member] | Roboticine, Inc. [Member]
Business Combinations [Line Items]
Change in fair value of liability				$ 2,200,000

Business Combinations - Summary

Business Combinations - Summary of Fair Value of Identifiable Assets Acquired and Liabilities Assumed (Detail) - Asset Purchase Agreement [Member] - Prompt Prototypes [Member] $ in Thousands	Jun. 30, 2021USD ($)
Business Combinations [Line Items]
Inventories	$ 140
Right-of-use assets	78
Property and equipment	528
Operating lease liabilities	(78)
Deferred tax liability	(28)
Net assets acquired	640
Bargain purchase gain	(90)
Total purchase price	$ 550

Stock-Based Compensation - Sche

Stock-Based Compensation - Schedule of Stock Option And Stock Grant Awards By Plan (Detail) - shares	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock options, granted award	5,598,905	1,700,155
Stock Options [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock options, granted award	776,564	755,866
Restricted Stock Awards [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock options, granted award	147,719	944,289
Restricted Stock Units [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock options, granted award	4,674,622
2021 Incentive Inducement Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock options, granted award	647,071
2021 Incentive Inducement Plan [Member] | Stock Options [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock options, granted award	422,162
2021 Incentive Inducement Plan [Member] | Restricted Stock Units [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock options, granted award	224,909
2021 Incentive Compensation Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock options, granted award	4,563,804
2021 Incentive Compensation Plan [Member] | Stock Options [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock options, granted award	114,091
2021 Incentive Compensation Plan [Member] | Restricted Stock Units [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock options, granted award	4,449,713
2018 incentive Compensation Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock options, granted award	388,030	1,700,155
2018 incentive Compensation Plan [Member] | Stock Options [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock options, granted award	240,311	755,866
2018 incentive Compensation Plan [Member] | Restricted Stock Awards [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock options, granted award	147,719	944,289

Stock-Based Compensation - Stoc

Stock-Based Compensation - Stock-Based Compensation Recognized (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation	$ 1,413	$ 919	$ 2,349	$ 2,104
Costs of Goods Sold [Member]
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation		36	21	72
Marketing General and Administrative [Member]
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation	1,344	868	2,233	2,002
Research and Development Expense [Member]
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation	$ 69	$ 15	$ 95	$ 30

Stock-Based Compensation - Addi

Stock-Based Compensation - Additional Information (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense	$ 1,413,000	$ 919,000	$ 2,349,000	$ 2,104,000
Discontinued Operations [Member] | OEM Business [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense	$ 0	$ 100,000	$ 0	$ 200,000

Net Loss Per Common Share - Rec

Net Loss Per Common Share - Reconciliation of Common Stock Used in Calculation of Basic and Diluted Earnings Per Share (Detail) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Earnings Per Share [Abstract]
Weighted average basic and dilutive shares	114,271,780	72,642,215	106,279,658	72,981,134

Net Loss Per Common Share - Sch

Net Loss Per Common Share - Schedule of Number of Potential Dilutive Shares that Excluded Due to Anti-dilutive Effect (Detail) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Number of potential dilutive shares excluded due to anti-dilutive effect	1,279,028	16,881,622	1,839,892	16,802,547
Stock Option [Member]
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Number of potential dilutive shares excluded due to anti-dilutive effect	131,756	188,397	537,244	194,276
RSU and RSA [Member]
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Number of potential dilutive shares excluded due to anti-dilutive effect	1,147,272	1,540,464	1,302,648	1,455,510
Convertible Series A Preferred Stock [Member]
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Number of potential dilutive shares excluded due to anti-dilutive effect		15,152,761		15,152,761

Net Loss Per Common Share - Add

Net Loss Per Common Share - Additional Information (Detail) - USD ($) $ in Millions	Oct. 23, 2020	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Anti-dilutive stock excluded from the computation of diluted EPS		1,279,028	16,881,622	1,839,892	16,802,547
Holo Surgical Inc. [Member] | Stock Purchase Agreement [Member]
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Business acquisition, contingent consideration arrangements, description				On October 23, 2020, the Company completed the acquisition of Holo Surgical and became obligated for a contingent consideration in an aggregate amount of $50.6 million which must be first paid in shares of the Company’s common stock (in an amount up to 8,650,000 shares) and then paid in cash thereafter, contingent upon and following the achievement of certain regulatory, commercial and utilization milestones by specified time periods occurring up to the sixth (6th) anniversary of the closing.
Business acquisition, contingent consideration arrangements, basis for amount				The number of shares of common stock issued as contingent consideration with respect to the achievement of a post-closing milestone, if any, will be calculated based on the volume weighted average price of the common stock for the five (5) day trading period commencing on the opening of trading on the third trading day following the achievement of the applicable milestone.
Holo Surgical Inc. [Member] | Stock Purchase Agreement [Member] | Common Stock [Member]
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Business acquisition, contingent consideration payable upon achievement of post-closing milestones	$ 50.6
Holo Surgical Inc. [Member] | Stock Purchase Agreement [Member] | Common Stock [Member] | Maximum [Member]
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Business acquisition, common shares issuable at closing	8,650,000
Stock Option [Member]
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Anti-dilutive stock excluded from the computation of diluted EPS		5,225,931	4,819,238	4,665,063	4,838,639

Inventories - Additional Inform

Inventories - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Inventory Disclosure [Abstract]
Provision for inventory write-downs	$ 1.6	$ 2.8	$ 4.4	$ 4

Prepaid and Other Current Ass_3

Prepaid and Other Current Assets - Schedule of Prepaid and Other Current Assets (Detail) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]
Insurance recovery receivable	$ 12,493
Income tax receivable	6,890	$ 4,836
Prepaid expenses	3,137	1,543
Other receivables	902	3,905
Prepaid and other current assets	$ 23,422	$ 10,284

Property and Equipment - Schedu

Property and Equipment - Schedule of Net Book Value of Property and Equipment after Accumulated Depreciation and Impairment (Detail) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Property and equipment - net	$ 1,045	$ 521
Processing Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment - net	529	35
Surgical Instruments [Member]
Property, Plant and Equipment [Line Items]
Property and equipment - net	469	440
Office Equipment, Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and equipment - net	25	34
Computer Equipment and Software [Member]
Property, Plant and Equipment [Line Items]
Property and equipment - net	11	$ 12
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property and equipment - net	$ 11

Property and Equipment - Additi

Property and Equipment - Additional Information (Detail) - USD ($) $ in Thousands	1 Months Ended		3 Months Ended		6 Months Ended
	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Depreciation expense in connection with property and equipment			$ 600	$ 1,100	$ 1,100	$ 2,000
Capitalized cost of internal software expense related to new ERP system	$ 1,100		1,100		1,100		$ 0
Capitalized impairment charges			7,229	9,469	13,467	18,693
Expenses related to ERP implementation costs that were not capitalizable			3,183	3,274	6,059	7,556
ERP [Member]
Property, Plant and Equipment [Line Items]
Expenses related to ERP implementation costs that were not capitalizable			0	0	100	0
Spine [Member] | Property And Equipment [Member]
Property, Plant and Equipment [Line Items]
Asset impairment and abandonment charges			$ 2,200	$ 900	$ 4,400	$ 2,800
Technology Service [Member]
Property, Plant and Equipment [Line Items]
Capitalized impairment charges	$ 800	$ 300

Warrants - Additional Informati

Warrants - Additional Information (Detail) $ / shares in Units, $ in Millions	Jun. 14, 2021USD ($)$ / sharesshares
Class Of Warrant Or Right [Line Items]
Strike price of warrants | $ / shares	$ 1.725
Period of warrants exercisable expiration period	3 years
Percentage of placement agent sash fee equal to gross proceeds from warrants	7.00%
Management fee equal to aggregate of gross proceeds of warrants	1.00%
At-the-Market Offering [Member]
Class Of Warrant Or Right [Line Items]
Common stock sold | shares	28,985,508
Warrants exercisable aggregate of common stock | shares	28,985,508
Common stock price per share | $ / shares	$ 1.725
Net proceeds from the direct offering, after deducting investor and management fees | $	$ 45.8
Placement Agent Warrants [Member]
Class Of Warrant Or Right [Line Items]
Strike price of warrants | $ / shares	$ 2.15625
Placement Agent Warrants [Member] | Maximum [Member]
Class Of Warrant Or Right [Line Items]
Number of common stock shares issuable upon conversion of warrants | shares	1,739,130

Fair Value Information - Additi

Fair Value Information - Additional Information (Detail) $ in Thousands	Jan. 04, 2018USD ($)	Jun. 30, 2021USD ($)	Dec. 31, 2020USD ($)	Jun. 30, 2020USD ($)	Dec. 31, 2019USD ($)
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Fair market value of contingent earnout		$ 54,228	$ 56,515	$ 1,130	$ 1,130
Zyga Technology Inc [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Date of merger agreement	Jan. 4, 2018
Zyga Technology Inc [Member] | Clinical and Revenue Milestones [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Business Combination Contingent Consideration Liability	$ 1,100				$ 1,100
Holo Surgical Inc. [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Fair market value of contingent earnout		54,200	56,500
Holo Surgical Inc. [Member] | Accrued Expenses [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Current liabilities fair value disclosure		18,500	9,000
Holo Surgical Inc. [Member] | Other Long-Term Liabilities [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Non-current liabilities fair value disclosure		$ 35,700	$ 47,500
Holo Surgical Inc. [Member] | Measurement Input, Default Rate | Minimum [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Fair value, measurement input		0	60
Holo Surgical Inc. [Member] | Measurement Input, Default Rate | Maximum [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Fair value, measurement input		90	90
Holo Surgical Inc. [Member] | Measurement Input, Discount Rate | Minimum [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Fair value, measurement input		0.06	0.11
Holo Surgical Inc. [Member] | Measurement Input, Discount Rate | Maximum [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Fair value, measurement input		8.22	16.86

Fair Value Information - Summar

Fair Value Information - Summary of Reconciliation of Acquisition Contingencies (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Fair Value Disclosures [Abstract]
Beginning balance as of January 1			$ 56,515	$ 1,130
Gain on acquisition contingency	$ (2,236)	$ (130)	(2,287)	(130)
Ending balance as of June 30	$ 54,228	$ 1,130	$ 54,228	$ 1,130

Fair Value Information - Summ_2

Fair Value Information - Summary of Fair Value Assets Subject to Fair Value Measured Using Level 3 Inputs (Detail) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Impaired Long Lived Assets Held And Used [Line Items]
Property and equipment - net	$ 1,045	$ 521
Other assets - net	10,228	10,145
Level 3 [Member]
Impaired Long Lived Assets Held And Used [Line Items]
Property and equipment - net	1,045	521
Other assets - net	10,228	10,145
Long lived assets	$ 11,273	$ 10,666

Fair Value Information - Summ_3

Fair Value Information - Summary of Impairments of Assets Subject to Fair Value Measured Using Level 3 Inputs (Detail) - Level 3 [Member] - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Impaired Long Lived Assets Held And Used [Line Items]
Property and equipment - net	$ 2,012	$ 882	$ 3,791	$ 2,761
Other intangibles - net	150		311
Other assets - net	44		280
Impairment	$ 2,206	$ 882	$ 4,382	$ 2,761

Fair Value Information - Schdul

Fair Value Information - Schdule of Liabilities Measured at Fair Value on Recurring Basis (Detail) $ in Thousands	Jun. 30, 2021USD ($)
Warrant Liability [Member] | Level 3 [Member]
Fair Value Liabilities Measured On Recurring Basis [Line Items]
Fair value liability	$ 24,226

Fair Value Information - Summ_4

Fair Value Information - Summary of Changes in Fair Value of Level 3 Valuation for the Warrant Liability (Detail) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2021
Fair Value Liabilities Measured On Recurring Basis [Line Items]
Change in fair value	$ 2,523	$ 2,523
Warrant Liability [Member] | Level 3 [Member]
Fair Value Liabilities Measured On Recurring Basis [Line Items]
Initial fair value of warrant liability		26,749
Change in fair value		(2,523)
Balance - June 30, 2021	$ 24,226	$ 24,226

Fair Value Information - Fair V

Fair Value Information - Fair Value of Warrant Liability Valuation Inputs (Detail)	Jun. 30, 2021
Stock Price [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Measurement input	1.39
Risk-free Interest Rate [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Measurement input	0.45
Dividend Yield [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Measurement input	0
Volatility [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Measurement input	100

Accrued Expenses - Accrued Expe

Accrued Expenses - Accrued Expenses (Detail) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Payables And Accruals [Abstract]
Current portion of accrued acquisition contingency - Holo	$ 18,485	$ 8,996
Accrued securities class action settlement	10,500
Accrued distributor commissions	3,786	4,113
Accrued compensation	3,320	2,268
Accrued severance and restructuring costs	131
Other	6,503	6,267
Total accrued expenses	$ 42,725	$ 21,644

Accrued Expenses - Additional I

Accrued Expenses - Additional Information (Detail) $ in Millions	6 Months Ended
	Jun. 30, 2021USD ($)
Payables And Accruals [Abstract]
Accrued severance and restructuring expense	$ 0.2
Severance and restructuring cash payments	$ 0.1

Other Long-Term Liabilities - S

Other Long-Term Liabilities - Summary of Other Long-term Liabilities (Detail) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Other Long Term Liabilities [Line Items]
Acquisition contingencies	$ 35,743	$ 47,519
Warrant Liability	24,226
Other	3,138	2,992
Total other long-term liabilities	64,199	51,711
Other Long Term Liabilities [Member]
Other Long Term Liabilities [Line Items]
Lease obligations	1,092	1,200
Zyga Technology Inc [Member]
Other Long Term Liabilities [Line Items]
Acquisition contingencies	$ 35,743	$ 47,519

Income Taxes - Additional Infor

Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Income Tax [Line Items]
Income tax provision (benefit)	$ 81	$ 47	$ 300	$ (3,492)
Maximum [Member]
Income Tax [Line Items]
Income tax provision (benefit)		$ 100

Preferred Stock - Schedule of P

Preferred Stock - Schedule of Preferred Stock (Detail) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Dec. 31, 2019
Temporary Equity Disclosure [Abstract]
Preferred Stock Liquidation Value	$ 66,519	$ 66,519
Amortization of preferred stock issuance costs	46
Preferred Stock Issuance Costs	(63)	(109)
Net Total	$ 66,456	$ 66,410

Preferred Stock - Additional In

Preferred Stock - Additional Information (Detail) $ in Millions	Jul. 24, 2020USD ($)
Temporary Equity Disclosure [Abstract]
Payment on redemption of preferred stock	$ 66.5

Commitments and Contingencies -

Commitments and Contingencies - Additional Information (Detail)

Mar. 12, 2021USD ($)ft²

Jan. 20, 2021USD ($)

Oct. 23, 2020USD ($)shares

Sep. 29, 2020USD ($)shares

Jul. 20, 2020USD ($)

Mar. 08, 2019USD ($)shares

Jan. 04, 2018USD ($)

Jan. 31, 2021USD ($)

Jun. 30, 2021USD ($)

Jun. 30, 2020USD ($)

Jun. 30, 2021USD ($)

Jun. 30, 2020USD ($)

Dec. 31, 2020USD ($)

Commitment And Contingencies [Line Items]

Cash consideration

$ 330,000

Operating lease cost

$ 195,000

$ 362,000

378,000

$ 738,000

Operating lease payments

332,000

$ 374,000

$ 576,000

$ 733,000

Manufacturing and Distribution Agreements with Affiliates of Montague Private Equity [Member]

Commitment And Contingencies [Line Items]

Purchase commitment, description

– In connection with the closing of the OEM Transaction, on July 20, 2020 the Company entered into three manufacturing and distribution agreements with affiliates of Montague Private Equity: (i) a Manufacture and Distribution Agreement (the “Hardware MDA”) with Pioneer Surgical Technology, Inc. (“Pioneer”) pursuant to which Pioneer will manufacture certain hardware implants for the Company; (ii) a Processing and Distribution Agreement with RTI Surgical, Inc. (“RTI”), an affiliate of Pioneer, pursuant to which RTI would process certain biologic implants for the Company (the “PDA”); and (ii) a Manufacture and Distribution Agreement (NanOss) pursuant to which Pioneer would manufacture certain synthetic implants for the Company (the “NanOss MDA”), and together with the Hardware MDA and the PDA, the “OEM Distribution Agreements”.

Purchase obligation, year one

$ 24,200,000

Purchase obligation, year two

25,800,000

Purchase obligation, year three

27,200,000

Design and Development Agreement with Pioneer [Member]

Commitment And Contingencies [Line Items]

Direct labor costs

$ 1,700,000

Oxford Supply Agreement [Member]

Commitment And Contingencies [Line Items]

Contract maturity period

2025

Minimum purchase obligations beyond 2021

$ 0

San Diego Lease [Member]

Commitment And Contingencies [Line Items]

Operating lease term of contract

12 years

Operating lease, option to extend

The initial term of the Lease is twelve (12) years, with one (1) extension option for a period of seven (7) years.

Operating lease extension period

7 years

San Diego Lease [Member] | Premises [Member]

Commitment And Contingencies [Line Items]

Lease rentable area | ft²

94,457

Operating lease cost

$ 64,600,000

Rent abatement term

13 months

San Diego Lease [Member] | Other Assets - Net [Member] | Premises [Member]

Commitment And Contingencies [Line Items]

Operating lease payments

$ 2,500,000

Aziyo Biologics, Inc. [Member] | Distribution Agreements [Member] | 2020 Shortfall Obligation [Member]

Commitment And Contingencies [Line Items]

Purchase order issued

$ 12,400,000

Maximum [Member] | Oxford Supply Agreement [Member]

Commitment And Contingencies [Line Items]

Purchase order issued

600,000

Minimum [Member] | Oxford Supply Agreement [Member]

Commitment And Contingencies [Line Items]

Purchase order issued

$ 200,000

Paradigm Spine [Member]

Commitment And Contingencies [Line Items]

Agreement to acquire business

$ 300,000,000

Cash to be paid at closing

150,000,000

Potential debt to finance business combination

$ 100,000,000

Business acquisition, common shares issuable at closing | shares

10,729,614

Number of common stock to be issued at closing, value

$ 50,000,000

Revenue based earnout considerations

0

First potential earnout payment

$ 20,000,000

Paradigm Spine [Member] | Maximum [Member]

Commitment And Contingencies [Line Items]

Revenue based earnout considerations

$ 150,000,000

Zyga Technology Inc [Member]

Commitment And Contingencies [Line Items]

Date of merger agreement

Jan. 4, 2018

Payments to acquire businesses

$ 21,000,000

Cash consideration

3,000,000

Zyga Technology Inc [Member] | Clinical Milestones [Member]

Commitment And Contingencies [Line Items]

Contingent liability

1,000,000

0

$ 0

Zyga Technology Inc [Member] | Earn Out Payment [Member]

Commitment And Contingencies [Line Items]

Revenue based earnout consideration

35,000,000

Zyga Technology Inc [Member] | Revolving Credit Facility

Commitment And Contingencies [Line Items]

Cash proceeds from credit facility

$ 18,000,000

Holo Surgical Inc. [Member] | Stock Purchase Agreement [Member] | Common Stock [Member]

Commitment And Contingencies [Line Items]

Business acquisition, contingent consideration payable upon achievement of post-closing milestones

$ 50,600,000

Holo Surgical Inc. [Member] | Roboticine, Inc. [Member] | Stock Purchase Agreement [Member]

Commitment And Contingencies [Line Items]

Cash to be paid at closing

30,000,000

$ 30,000,000

Payments to acquire businesses

95,000,000

Cash consideration

30,000,000

Business acquisition, contingent consideration payable upon achievement of post-closing milestones

50,600,000

$ 83,000,000

Fair value of liability

54,200,000

54,200,000

56,500,000

Change in fair value of liability

2,300,000

Holo Surgical Inc. [Member] | Roboticine, Inc. [Member] | Stock Purchase Agreement [Member] | Current Liabilities [Member]

Commitment And Contingencies [Line Items]

Fair value of liability

9,000,000

18,500,000

18,500,000

9,000,000

Holo Surgical Inc. [Member] | Roboticine, Inc. [Member] | Stock Purchase Agreement [Member] | Other Long-Term Liabilities [Member]

Commitment And Contingencies [Line Items]

Fair value of liability

$ 35,700,000

$ 35,700,000

$ 47,500,000

Holo Surgical Inc. [Member] | Roboticine, Inc. [Member] | Stock Purchase Agreement [Member] | Long-Term liabilities [Member]

Commitment And Contingencies [Line Items]

Fair value of liability

$ 41,600,000

Holo Surgical Inc. [Member] | Roboticine, Inc. [Member] | Stock Purchase Agreement [Member] | Common Stock [Member]

Commitment And Contingencies [Line Items]

Business acquisition, common shares issuable at closing | shares

6,250,000

6,250,000

Holo Surgical Inc. [Member] | Maximum [Member] | Stock Purchase Agreement [Member] | Common Stock [Member]

Commitment And Contingencies [Line Items]

Business acquisition, common shares issuable at closing | shares

8,650,000

Holo Surgical Inc. [Member] | Maximum [Member] | Roboticine, Inc. [Member] | Stock Purchase Agreement [Member] | Common Stock [Member]

Commitment And Contingencies [Line Items]

Business acquisition, common shares issuable at closing | shares

8,650,000

Legal Actions - Additional Info

Legal Actions - Additional Information (Detail) $ in Thousands	Jul. 27, 2021USD ($)	Jun. 30, 2021USD ($)	Jun. 30, 2021USD ($)ClaimLawsuit	Jun. 03, 2021USD ($)	Dec. 01, 2020USD ($)
Loss Contingencies [Line Items]
Maximum working capital adjustment amount					$ 14,000
Liable amount, remaining in dispute				$ 5,800
Liable dispute amount paid		$ 5,800
Claims for which the Company Parties are providing defense and indemnification | Claim			1,157
Number of lawsuits filed on behalf of company | Lawsuit			3
Insurance recovery receivable		12,493	$ 12,493
Loss contingency liability		10,500	10,500
Securities Class Action [Member]
Loss Contingencies [Line Items]
Loss contingency			10,500
Insurance recovery			10,500
Insurance recovery receivable		10,500	10,500
Loss contingency liability		$ 10,500	$ 10,500
Subsequent Event [Member] | Securities Class Action [Member]
Loss Contingencies [Line Items]
Litigation settlement, amount awarded to defendants	$ 10,500

Related Party Transactions - Ad

Related Party Transactions - Additional Information (Detail)	Oct. 23, 2020USD ($)shares	Sep. 29, 2020USD ($)shares	Jul. 20, 2020USD ($)Installment	Dec. 31, 2019USD ($)	Dec. 31, 2018USD ($)	Jun. 30, 2021
Related Party Transaction [Line Items]
Related party transaction amounts				$ 0	$ 0
Mr. Simpson [Member] | Restricted Stock Awards [Member]
Related Party Transaction [Line Items]
Number of shares to be grants, value			$ 800,000
Consulting Agreement [Member] | Mr. Simpson [Member]
Related Party Transaction [Line Items]
Agreement initial term Period			3 years
Annual consulting fee			$ 300,000
Number of monthly installments | Installment			12
Holo Surgical Inc. [Member] | Roboticine, Inc. [Member] | Stock Purchase Agreement [Member]
Related Party Transaction [Line Items]
Cash to be paid at closing	$ 30,000,000	$ 30,000,000
Business acquisition, contingent consideration payable upon achievement of post-closing milestones	$ 50,600,000	$ 83,000,000
Holo Surgical Inc. [Member] | Roboticine, Inc. [Member] | Stock Purchase Agreement [Member] | Dr. Pawel Lewicki [Member]
Related Party Transaction [Line Items]
Business combination, equity interest in acquiree, percentage	57.50%
Holo Surgical Inc. [Member] | Common Stock [Member] | Stock Purchase Agreement [Member]
Related Party Transaction [Line Items]
Business acquisition, contingent consideration payable upon achievement of post-closing milestones	$ 50,600,000
Holo Surgical Inc. [Member] | Common Stock [Member] | Roboticine, Inc. [Member] | Stock Purchase Agreement [Member]
Related Party Transaction [Line Items]
Business acquisition, common shares issuable at closing | shares	6,250,000	6,250,000
Business acquisition, common shares issuable value	$ 12,300,000	$ 12,300,000
Minimum [Member]
Related Party Transaction [Line Items]
Percent of beneficial owner of common stock						5.00%
Maximum [Member] | Holo Surgical Inc. [Member] | Common Stock [Member] | Stock Purchase Agreement [Member]
Related Party Transaction [Line Items]
Business acquisition, common shares issuable at closing | shares	8,650,000
Maximum [Member] | Holo Surgical Inc. [Member] | Common Stock [Member] | Roboticine, Inc. [Member] | Stock Purchase Agreement [Member]
Related Party Transaction [Line Items]
Business acquisition, common shares issuable at closing | shares	8,650,000