Proto Labs (PRLB) 10-K 21 Feb 23 2022 FY Annual report Financial data

Document And Entity Information

Document And Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2022	Feb. 06, 2023	Jun. 30, 2022
Document Information [Line Items]
Entity Central Index Key	0001443669
Entity Registrant Name	Proto Labs Inc
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2022
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2022
Document Transition Report	false
Entity File Number	001-35435
Entity Incorporation, State or Country Code	MN
Entity Tax Identification Number	41-1939628
Entity Address, Address Line One	5540 Pioneer Creek Drive
Entity Address, City or Town	Maple Plain
Entity Address, State or Province	MN
Entity Address, Postal Zip Code	55359
City Area Code	763
Local Phone Number	479-3680
Title of 12(b) Security	Common Stock, Par Value $0.001 Per Share
Trading Symbol	PRLB
Security Exchange Name	NYSE
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	false
Entity Shell Company	false
Entity Public Float			$ 1,300,000,000
Entity Common Stock, Shares Outstanding		26,679,484
Auditor Firm ID	42
Auditor Name	Ernst & Young LLP
Auditor Location	Minneapolis, Minnesota

Consolidated Balance Sheets

Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Current assets
Cash and cash equivalents	$ 56,558	$ 65,929
Short-term marketable securities	23,568	11,580
Accounts receivable, net of allowance for doubtful accounts of $1,706 and $1,948 as of December 31, 2022 and December 31, 2021, respectively	76,225	80,051
Inventory	13,578	13,161
Prepaid expenses and other current assets	12,597	11,450
Income taxes receivable	4,042	1,321
Total current assets	186,568	183,492
Property and equipment, net	257,785	280,346
Goodwill	273,991	400,610
Other intangible assets, net	31,250	37,998
Long-term marketable securities	26,419	14,340
Operating lease assets	3,844	5,578
Finance lease assets	17,532	1,898
Other long-term assets	4,779	4,320
Total assets	802,168	928,582
Current liabilities
Accounts payable	17,356	25,364
Accrued compensation	12,743	13,704
Accrued liabilities and other	22,384	11,980
Current operating lease liabilities	1,561	3,298
Current finance lease liabilities	17,537	550
Total current liabilities	71,581	54,896
Long-term operating lease liabilities	2,255	2,245
Long-term finance lease liabilities	0	1,351
Long-term deferred tax liabilities	26,322	35,892
Other long-term liabilities	4,362	5,705
Total liabilities	104,520	100,089
Shareholders' equity
Preferred stock, $0.001 par value, authorized 10,000,000 shares; issued and outstanding 0 shares as of December 31, 2022 and December 31, 2021, respectively	0	0
Common stock, $0.001 par value, authorized 150,000,000 shares; issued and outstanding 26,888,425 and 27,465,945 shares as of December 31, 2022 and December 31, 2021, respectively	27	28
Additional paid-in capital	473,740	468,548
Retained earnings	258,236	376,734
Accumulated other comprehensive loss	(34,355)	(16,817)
Total shareholders' equity	697,648	828,493
Total liabilities and shareholders' equity	$ 802,168	$ 928,582

Consolidated Balance Sheets (Pa

Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Allowance for doubtful accounts	$ 1,706	$ 1,948
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	10,000,000	10,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	150,000,000	150,000,000
Common stock, shares issued (in shares)	26,888,425	27,465,945
Common stock, shares outstanding (in shares)	26,888,425	27,465,945

Consolidated Statements of Comp

Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statements of Operations:
Revenue	$ 488,398	$ 488,098	$ 434,395
Cost of revenue	272,933	265,407	216,568
Gross profit	215,465	222,691	217,827
Operating expenses
Marketing and sales	82,752	82,175	69,309
Research and development	38,222	44,241	36,940
General and administrative	67,544	55,933	51,742
Closure of Japan business	6,922	0	0
Total operating expenses	313,448	182,349	157,991
(Loss) income from operations	(97,983)	40,342	59,836
Other (expense) income, net	106	(158)	3,109
(Loss) income before income taxes	(97,877)	40,184	62,945
Provision for income taxes	5,585	6,812	12,078
Net (loss) income	$ (103,462)	$ 33,372	$ 50,867
Net (loss) income per share:
Basic (in dollars per share)	$ (3.77)	$ 1.21	$ 1.90
Diluted (in dollars per share)	$ (3.77)	$ 1.21	$ 1.89
Shares used to compute net (loss) income per share:
Basic (in shares)	27,409,838	27,617,627	26,737,425
Diluted (in shares)	27,409,838	27,653,099	26,896,357
Other Comprehensive Income (Loss), net of tax
Foreign currency translation adjustments	$ (16,278)	$ (13,278)	$ 3,598
Net unrealized gains (losses) on investments in securities	(1,260)	(119)	0
Comprehensive income (loss)	(121,000)	19,975	54,465
Europe [Member]
Statements of Operations:
Revenue	92,770	90,399	74,796
Operating expenses
Goodwill impairment	$ 118,008	$ 0	$ 0

Consolidated Statements of Shar

Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Dec. 31, 2019	26,786,459
Balance at beginning of period at Dec. 31, 2019	$ 27	$ 268,059	$ 324,722	$ (7,018)	$ 585,790
Common shares issued on exercise of options and other, net of shares withheld for tax obligations (in shares)	189,951
Common shares issued on exercise of options and other, net of shares withheld for tax obligations		4,114			4,114
Stock-based compensation expense		14,673			14,673
Repurchases of Common Stock (in shares)	(199,614)
Repurchases of Common Stock	$ 0	(1,998)	(12,688)	0	(14,686)
Net (loss) income			50,867		50,867
Foreign currency translation adjustment				3,598	3,598
Comprehensive income (loss)					54,465
Net unrealized gains (losses) on investments in securities					0
Balance (in shares) at Dec. 31, 2020	26,776,796
Balance at end of period at Dec. 31, 2020	$ 27	284,848	362,901	(3,420)	644,356
Common shares issued on exercise of options and other, net of shares withheld for tax obligations (in shares)	176,736
Common shares issued on exercise of options and other, net of shares withheld for tax obligations	$ 0	1,637	0	0	1,637
Stock-based compensation expense	$ 0	19,095	0	0	19,095
Repurchases of Common Stock (in shares)	(351,582)
Repurchases of Common Stock	$ 0	(3,740)	(19,539)	0	(23,279)
Net (loss) income	0	0	33,372	0	33,372
Foreign currency translation adjustment	0	0	0	(13,278)	(13,278)
Comprehensive income (loss)					19,975
Common shares issued for Hubs acquisition (in shares)	863,995
Common shares issued for Hubs acquisition	$ 1	166,708	0	0	166,709
Net unrealized gains (losses) on investments in securities				(119)	$ (119)
Balance (in shares) at Dec. 31, 2021	27,465,945				27,465,945
Balance at end of period at Dec. 31, 2021	$ 28	468,548	376,734	(16,817)	$ 828,493
Common shares issued on exercise of options and other, net of shares withheld for tax obligations (in shares)	279,603
Common shares issued on exercise of options and other, net of shares withheld for tax obligations	$ 0	2,269	0	0	2,269
Stock-based compensation expense	$ 0	17,545	0	0	17,545
Repurchases of Common Stock (in shares)	(857,123)
Repurchases of Common Stock	$ (1)	(14,622)	(15,036)	0	(29,659)
Net (loss) income	0	0	(103,462)	0	(103,462)
Foreign currency translation adjustment	0	0	0	(16,278)	(16,278)
Comprehensive income (loss)					(121,000)
Net unrealized gains (losses) on investments in securities	$ 0	0	0	(1,260)	$ (1,260)
Balance (in shares) at Dec. 31, 2022	26,888,425				26,888,425
Balance at end of period at Dec. 31, 2022	$ 27	$ 473,740	$ 258,236	$ (34,355)	$ 697,648

Consolidated Statements of Cash

Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Operating activities
Net (loss) income	$ (103,462)	$ 33,372	$ 50,867
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization	39,425	40,488	32,594
Stock-based compensation expense	17,545	19,095	14,673
Deferred taxes	(9,499)	339	7,577
Changes in fair value of contingent consideration	0	(13,253)	0
Impairments related to closure of Japan business	2,842	0	0
Gain on disposal of property and equipment	(1,211)	0	0
Other	35	842	79
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	1,632	(20,112)	(91)
Inventories	(310)	(2,390)	(662)
Prepaid expenses and other	(2,081)	64	(1,680)
Income taxes	(2,681)	(774)	(1,960)
Accounts payable	1,375	4,654	1,492
Accrued liabilities and other	461	(7,083)	4,080
Net cash provided by operating activities	62,079	55,242	106,969
Investing activities
Purchases of property, equipment and other capital assets	(21,686)	(34,209)	(47,010)
Proceeds from sales of property, equipment and other capital assets	4,108	0	0
Cash used for acquisitions, net of cash acquired	0	(127,413)	0
Purchases of other assets and investments	0	0	(3,000)
Purchases of marketable securities	(46,872)	(16,159)	(113,200)
Proceeds from sales of marketable securities	1,998	64,913	0
Proceeds from maturities of marketable securities	19,360	18,204	67,737
Net cash used in investing activities	(43,092)	(94,664)	(95,473)
Financing activities
Proceeds from issuance of common stock from equity plans	3,950	5,862	7,557
Purchases of shares withheld for tax obligations	(1,682)	(4,225)	(3,443)
Repurchases of common stock	(29,659)	(23,279)	(14,686)
Principal repayments of finance lease obligations	(531)	(552)	(154)
Other	0	4	0
Net cash used in financing activities	(27,922)	(22,198)	(10,726)
Effect of exchange rate changes on cash and cash equivalents	(436)	(54)	1,608
Net (decrease) increase in cash and cash equivalents	(9,371)	(61,674)	2,378
Cash and cash equivalents, beginning of period	65,929	127,603	125,225
Cash and cash equivalents, end of period	56,558	65,929	127,603
Supplemental cash flow disclosure
Cash paid for interest	101	28	23
Cash paid for taxes	19,160	7,583	5,650
Europe [Member]
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization	6,770	7,101	5,024
Goodwill impairment	118,008	0	0
Investing activities
Purchases of property, equipment and other capital assets	$ (4,137)	$ (7,378)	$ (16,574)

Note 1 - Nature of Business

Note 1 - Nature of Business	12 Months Ended
	Dec. 31, 2022
Notes to Financial Statements
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]	Note 1 Organization and business Proto Labs, Inc. and its subsidiaries (Proto Labs, the Company, we, us, or our) is a digital manufacturer of custom prototypes and on-demand production parts. The Company utilizes injection molding, computer numerical control (CNC) machining, 3D three 3D two May 27, 2022, 2021, Name Location PL-US International LLC United States Hubs Manufacturing Inc. United States 3D United States Proto Labs Ltd. United Kingdom PL International Holdings, UK, Ltd. United Kingdom PL Euro Services Limited United Kingdom Proto Labs GmbH Germany Proto Labs Tooling GmbH Germany 3D Netherlands Proto Labs, G.K. Japan

Note 2 - Summary of Significant

Note 2 - Summary of Significant Accounting Policies	12 Months Ended
	Dec. 31, 2022
Notes to Financial Statements
Significant Accounting Policies [Text Block]	Note 2 Principles of consolidation The consolidated financial statements include the accounts of the Company and its wholly-owned subsidiaries, as listed within “Organization and business” above. All intercompany accounts and transactions have been eliminated in consolidation. Comprehensive (loss) income Components of comprehensive (loss) income include net (loss) income, foreign currency translation adjustments and net unrealized gains and losses on investments in securities. Comprehensive (loss) income is disclosed in the accompanying Consolidated Statements of Comprehensive Income and Consolidated Statements of Shareholders’ Equity. Accounting estimates The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America (U.S. GAAP) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and related disclosures at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. Cash and cash equivalents Cash and cash equivalents include cash and other investments, including marketable securities, with maturities of three may not Marketable securities Marketable securities are categorized as available-for-sale and are recorded at fair value. Management determines the appropriate classification of debt securities at the time of purchase and reevaluates such designation as of each balance sheet date. The classification of marketable securities as current or non-current is dependent upon the security’s maturity date. Securities with maturities of three Accounts receivable and allowance for doubtful accounts Accounts receivable are reported at the invoiced amount less an allowance for doubtful accounts. As of each balance sheet date, the Company evaluates its accounts receivable and establishes an allowance for doubtful accounts based on a combination of specific customer circumstances and credit conditions taking into account the history of write-offs and collections. A receivable is considered past due if payment has not Inventory Inventory consists primarily of raw materials, which are recorded at the lower of cost and net realizable value using the standard cost method, which approximates first first Property, equipment and leasehold improvements Property, equipment and leasehold improvements are stated at cost. Major improvements that substantially extend an asset’s useful life are capitalized. Repairs, maintenance and minor improvements are charged to operations as incurred. Depreciation, including amortization of leasehold improvements and assets recorded under capital leases, is calculated using the straight-line method over the estimated useful lives of the individual assets and ranges from 3 to 39 years. Manufacturing equipment is depreciated over 3 to 15 years, office furniture and equipment are depreciated over 3 to 7 years, computer hardware and software are depreciated over 3 to 5 years, building costs are depreciated over 39 years, leasehold improvements are depreciated over the estimated lives of the related assets or the life of the lease, whichever is shorter, and building and land improvements are depreciated over 10 to 39 years. Assets not not The Company follows ASC 350 40, Internal-Use Software Goodwill The Company recognizes goodwill in accordance with ASC 350, Intangibles—Goodwill and Other not Goodwill is tested for impairment annually as of the first fourth may may 2022 9 Capitalized Software Costs The Company follows ASC 350 40, Intangibles – Goodwill and Other, Internal-Use Software Other Intangible Assets Other intangible assets include software technology, customer relationships and other intangible assets acquired from other independent parties. Other intangible assets with a definite life are amortized over a period ranging from two may not Accounting for long-lived assets The Company periodically reviews the carrying amount of its property, equipment and leasehold improvements to determine if circumstances exist indicating an impairment or if depreciation periods should be modified. If facts or circumstances indicate that an impairment may Revenue recognition The Company recognizes revenue for its internal and outsourced manufacturing operations in accordance with ASC 606, Revenue from Contracts with Customers no two one second Leases The Company accounts for leases in accordance with ASC 842, Leases not The Company has operating leases for office space, manufacturing facilities and certain company vehicles and equipment and finance leases for certain company equipment and manufacturing facilities. The leases have remaining lease terms of one nine 12 not may December 31, 2022 not Income taxes The Company accounts for income taxes in accordance with ASC 740, Income Taxes 740 not not ASC 740 not not. Stock-based compensation The Company accounts for stock-based compensation in accordance with ASC 718, Compensation—Stock Compensation 718 718, not In determining the compensation cost of the options granted, the fair value of options granted has been estimated on the date of grant using the Black-Scholes option-pricing model. Advertising costs Advertising is expensed as incurred and was approximately $11.8 million, $11.6 million and $11.5 million for the years ended December 31, 2022, 2021 2020 Research and development Research and development expenses consist primarily of personnel and outside service costs related to the development of new processes and product lines, enhancements of existing product lines, development of software for internal use, maintenance of internally developed software, quality assurance and testing. Costs for internal use software are evaluated by project and capitalized where appropriate under ASC 350 40, Intangibles - Goodwill and Other, Internal-Use Software December 31, 2022, 2021 2020 Foreign currency translation/transactions The Company translated the balance sheets of its foreign subsidiaries at period-end exchange rates and the income statement at the average exchange rates in effect throughout the period. The Company has recorded the translation adjustment as a separate component of consolidated shareholders’ equity. Foreign currency transaction gains and losses are recognized in the Consolidated Statements of Comprehensive Income. Recently adopted accounting pronouncements The Company did not no

Note 3 - Revenue

Note 3 - Revenue	12 Months Ended
	Dec. 31, 2022
Notes to Financial Statements
Revenue from Contract with Customer [Text Block]	Note 3 The Company accounts for revenue in accordance with ASC 606, Revenue from Contracts with Customers A performance obligation is a promise in a contract to transfer a distinct good or service to the customer, and is the unit of account in ASC 606. 3D one second The Company manufactures parts that have no two Revenue by geographic region for the years ended December 31, 2022, 2021 2020 Year Ended December 31, (in thousands) 2022 2021 2020 Revenue: United States $ 387,399 $ 384,458 $ 345,708 Europe 92,770 90,399 74,796 Japan 8,229 13,241 13,891 Total revenue $ 488,398 $ 488,098 $ 434,395 Revenue by product line for the years ended December 31, 2022, 2021 2020 Year Ended December 31, (in thousands) 2022 2021 2020 Revenue: Injection Molding $ 200,578 $ 226,117 $ 217,992 CNC Machining 188,372 166,811 131,587 3D Printing 78,988 72,721 62,502 Sheet Metal 19,498 20,397 18,838 Other Revenue 962 2,052 3,476 Total revenue $ 488,398 $ 488,098 $ 434,395 The Company generally expenses sales commissions when incurred because the amortization period would have been one one not

Note 4 - Net (Loss) Income Per

Note 4 - Net (Loss) Income Per Common Share	12 Months Ended
	Dec. 31, 2022
Notes to Financial Statements
Earnings Per Share [Text Block]	Note 4 Basic net (loss) income per share is computed based on the weighted average number of common shares outstanding. Diluted net (loss) income per share is computed based on the weighted average number of common shares outstanding, increased by the number of additional shares that would have been outstanding had the potentially dilutive common shares been issued and reduced by the number of shares the Company could have repurchased from the proceeds from issuance of the potentially dilutive shares. Potentially dilutive shares of common stock include stock options and other stock-based awards granted under stock-based compensation plans and shares committed to be purchased under the employee stock purchase plan. For the year ended December 31, 2022 2021, The following table presents the calculation of net (loss) income per basic and diluted share attributable to common shareholders: Year Ended December 31, (in thousands, except share and per share amounts) 2022 2021 2020 Net (loss) income $ (103,462 ) $ 33,372 $ 50,867 Basic - weighted-average shares outstanding: 27,409,838 27,617,627 26,737,425 Effect of dilutive securities: Employee stock options and other - 35,472 158,932 Diluted - weighted-average shares outstanding: 27,409,838 27,653,099 26,896,357 Net (loss) income per share attributable to common shareholders: Basic $ (3.77 ) $ 1.21 $ 1.90 Diluted $ (3.77 ) $ 1.21 $ 1.89

Note 5 - Business Combinations

Note 5 - Business Combinations	12 Months Ended
	Dec. 31, 2022
Notes to Financial Statements
Business Combination Disclosure [Text Block]	Note 5 Business Combinations On January 22, 2021, 3D 2021 2022. No 2021 2022, not Hubs is based in Amsterdam, Netherlands and is a leading online manufacturing platform that provides customers with on-demand access to a global network of premium manufacturing partners. The acquisition enhances the Company’s value proposition by expanding the customer offerings, enabling the Company to more holistically serve its customers. The fair value of the consideration paid for this acquisition has been allocated to the assets purchased and liabilities assumed based on their fair values as of the acquisition date, with any excess recorded as goodwill. The goodwill associated with the acquisition represents both the strategic and growth opportunities by significantly expanding the customer offering with a network of premium manufacturing partners. The goodwill related to the acquisition is not 2022, The acquisition has been accounted for under the acquisition method of accounting in accordance with ASC 805, Business Combinations (in thousands) Assets acquired: Current assets $ 2,497 Intangible assets 30,770 Goodwill 280,925 Other long-term assets 1,139 Total assets acquired 315,331 Liabilities assumed: Current contingent consideration 7,093 Current liabilities 5,666 Long-term contingent consideration 6,507 Long-term deferred tax liabilities 1,688 Other long-term liabilities 255 Total liabilities assumed 21,209 Net assets acquired $ 294,122 Cash paid $ 133,847 Cash acquired (6,434 ) Net cash consideration 127,413 Equity portion of purchase price 166,709 Total purchase consideration $ 294,122

Note 6 - Goodwill and Other Int

Note 6 - Goodwill and Other Intangible Assets	12 Months Ended
	Dec. 31, 2022
Notes to Financial Statements
Goodwill and Intangible Assets Disclosure [Text Block]	Note 6 The changes in the carrying amount of goodwill for the years ended December 31, 2022 2021 (in thousands) Dec. 31, 2020 Goodwill acquired during 2021 Foreign currency translation adjustments during 2021 Dec. 31, 2021 Goodwill acquired (impaired) during 2022 Foreign currency translation adjustments during 2022 Dec. 31, 2022 United States $ 123,883 $ 150,108 $ - $ 273,991 $ - $ - $ 273,991 Europe 4,239 130,817 (9,067 ) 125,989 (118,008 ) (7,981 ) - Japan 630 - - 630 (630 ) - - Total goodwill $ 128,752 $ 280,925 $ (9,067 ) $ 400,610 $ (118,638 ) $ (7,981 ) $ 273,991 Goodwill decreased $126.6 million for the year ended December 31, 2022 December 31, 2021 €106.5 Intangible assets other than goodwill for the years ended December 31, 2022 2021 Year Ended December 31, 2022 Year Ended December 31, 2021 Weighted Average Useful Life (in thousands) Gross Accumulated Amortization Net Gross Accumulated Amortization Net Useful Life (in years) Remaining (in years) Marketing assets $930 $(806 ) $124 $930 $(713 ) $217 10.0 1.3 Non-compete agreement 828 (487 ) $341 842 (363 ) 479 2.0 - 5.0 2.1 Software technology 13,229 (6,383 ) $6,846 13,229 (5,014 ) 8,215 10.0 5.5 Software platform 26,054 (4,337 ) $21,717 26,725 (2,262 ) 24,463 12.0 10.1 Tradenames 350 (227 ) $123 359 (114 ) 245 3.0 1.1 Customer relationships 12,197 (10,098 ) $2,099 12,252 (7,873 ) 4,379 3.0 - 9.0 0.8 Total intangible assets $ 53,588 $ (22,338 ) $ 31,250 $ 54,337 $ (16,339 ) $ 37,998 Amortization expense for intangible assets for the years ended December 31, 2022, 2021 2020 December 31, 2022 2021, December 31, 2020. Estimated aggregated amortization expense based on the current carrying value of the amortizable intangible assets is as follows: (in thousands) Estimated Amortization Expense 2023 $ 5,884 2024 3,732 2025 3,634 2026 3,532 2027 3,523 Thereafter 10,945 Total estimated amortization expense $ 31,250

Note 7 - Fair Value Measurement

Note 7 - Fair Value Measurements	12 Months Ended
	Dec. 31, 2022
Notes to Financial Statements
Fair Value Disclosures [Text Block]	Note 7 ASC 820, Fair Value Measuremen 820 820 three may Level 1—Quoted Level 2—Observable 1 not Level 3—Unobservable no The Company's assets and liabilities that are required to be measured or disclosed at fair value on a recurring basis include cash and cash equivalents and marketable securities. The Company’s cash consists of bank deposits. The Company’s cash equivalents measured at fair value consist of money market mutual funds. The Company determines the fair value of these investments using Level 1 1 2 The following tables summarizes financial assets as of December 31, 2022 2021 December 31, 2022 December 31, 2021 (in thousands) Level 1 Level 2 Level 3 Level 1 Level 2 Level 3 Financial Assets: Cash and cash equivalents, excluding money market mutual fund $ 38,862 $ - $ - $ 65,637 $ - $ - Money market mutual fund 17,696 - - 292 - - Marketable securities 9,881 40,106 - 7,602 18,318 - Total $ 66,439 $ 40,106 $ - $ 73,531 $ 18,318 $ -

Note 8 - Marketable Securities

Note 8 - Marketable Securities	12 Months Ended
	Dec. 31, 2022
Notes to Financial Statements
Investment [Text Block]	Note 8 The Company invests in short-term and long-term agency, municipal, corporate and other debt securities. As of December 31, 2022 2021, Information regarding the Company’s short-term and long-term marketable securities as of December 31, 2022 2021 December 31, 2022 (in thousands) Amortized Cost Unrealized Gains Unrealized Losses Fair Value U.S. government agency securities $ 25,275 $ - $ (750 ) $ 24,525 Corporate debt securities 9,578 - (205 ) 9,373 U.S. municipal securities 15,574 - (417 ) 15,157 Certificates of deposit/time deposits 939 - (7 ) 932 Total marketable securities $ 51,366 $ - $ (1,379 ) $ 49,987 December 31, 2021 (in thousands) Amortized Cost Unrealized Gains Unrealized Losses Fair Value U.S. government agency securities $ 2,500 $ - $ (12 ) $ 2,488 Corporate debt securities 9,303 - (44 ) 9,259 U.S. municipal securities 12,549 - (70 ) 12,479 Certificates of deposit/time deposits 1,687 7 - 1,694 Total marketable securities $ 26,039 $ 7 $ (126 ) $ 25,920 Fair values for the corporate debt securities are primarily determined based on quoted market prices (Level 1 2 Classification of marketable securities as current or non-current is based upon the security’s maturity date as of the date of these financial statements. The December 31, 2022 may may December 31, (in thousands) 2022 Due in one year or less $ 23,568 Due after one year through five years 26,419 Total marketable securities $ 49,987

Note 9 - Property and Equipment

Note 9 - Property and Equipment	12 Months Ended
	Dec. 31, 2022
Notes to Financial Statements
Property, Plant and Equipment Disclosure [Text Block]	Note 9 Property and equipment consists of the following: December 31, (in thousands) 2022 2021 Land $ 14,153 $ 15,009 Buildings and improvements 105,492 107,241 Machinery and equipment 228,654 234,900 Computer hardware and software 82,302 81,889 Leasehold improvements 4,548 8,373 Construction in progress 22,674 14,489 Total 457,823 461,901 Accumulated depreciation and amortization (200,038 ) (181,555 ) Property and equipment, net $ 257,785 $ 280,346 Depreciation expense for the years ended December 31, 2022, 2021 2020

Note 10 - Inventory

Note 10 - Inventory	12 Months Ended
	Dec. 31, 2022
Notes to Financial Statements
Inventory Disclosure [Text Block]	Note 10 Inventory consists primarily of raw materials, which are recorded at the lower of cost and net realizable value using the standard cost method, which approximates first first The Company’s inventory consists of the following: December 31, (in thousands) 2022 2021 Total inventory 13,965 13,474 Allowance for obsolescence (387 ) (313 ) Inventory, net of allowance $ 13,578 $ 13,161

Note 11 - Financing Obligations

Note 11 - Financing Obligations	12 Months Ended
	Dec. 31, 2022
Notes to Financial Statements
Debt Disclosure [Text Block]	Note 11 The Company had no financing obligations as of December 31, 2022 2021

Note 12 - Employee Benefit Plan

Note 12 - Employee Benefit Plans	12 Months Ended
	Dec. 31, 2022
Notes to Financial Statements
Retirement Benefits [Text Block]	Note 12 The Company maintains a 401 three may may may December 31, 2022, 2021 2020, The Company also sponsors a defined contribution retirement plan that covers the employees in the United Kingdom. Total employer contributions were approximately $0.5 million, $0.4 million and $0.5 million for the years ended December 31, 2022, 2021 2020,

Note 13 - Stock-based Compensat

Note 13 - Stock-based Compensation	12 Months Ended
	Dec. 31, 2022
Notes to Financial Statements
Share-Based Payment Arrangement [Text Block]	Note 13 Under the Company’s 2012 2012 February 23, 2022. July 8, 2022, 2022 2022 August 29, 2022. No February 23, 2022 August 29, 2022. 2012 August 29, 2022 2012 2022 2022 2022 ten may 2022 may not The Company’s 2012 six first 718 Employees purchased 142,982 and 67,729 shares of common stock under the ESPP at an average exercise price of $27.09 and $61.96 during 2022 2021 December 31, 2022 The Company determines its stock-based compensation in accordance with ASC 718, Determining the appropriate fair value model and calculating the fair value of stock option grants requires the input of subjective assumptions. The Company uses the Black-Scholes option pricing model to value its stock option awards. Stock-based compensation expense is calculated using the Company’s best estimates, which involve inherent uncertainties and the application of management’s judgment. Significant estimates include its expected term and stock price volatility. The expected term of stock options is estimated from the vesting period of the award and represents the weighted average period that the Company's stock options are expected to be outstanding. The Company estimates the volatility of its stock price based on the historic volatility of its common stock. The Company bases the risk-free interest rate that it uses in the Black-Scholes option pricing model on U.S. Treasury instruments with maturities similar to the expected term of the award being valued. The Company has never paid and does not zero The following table summarizes stock-based compensation expense for the years ended December 31, 2022, 2021 2020 Year Ended December 31, (in thousands) 2022 2021 2020 Stock options and other $ 16,103 $ 17,553 $ 13,327 Employee stock purchase plan 1,442 1,542 1,346 Total stock-based compensation expense $ 17,545 $ 19,095 $ 14,673 Cost of revenue $ 2,172 $ 2,595 $ 2,451 Operating expenses: Marketing and sales 3,295 3,736 3,121 Research and development 2,189 2,833 2,440 General and administrative 9,889 9,931 6,661 Total stock-based compensation expense $ 17,545 $ 19,095 $ 14,673 Stock Options The following table provides the assumptions used in the Black-Scholes option pricing model for the years ended December 31, 2022, 2021 2020 Year Ended December 31, 2022 2021 2020 Risk-free interest rate 1.94 - 3.40% 0.80 - 1.12% 0.50 - 1.47% Expected life (years) 6.25 6.25 6.25 Expected volatility 45.95 - 46.03% 45.28 - 45.53% 42.40 - 43.83% Expected dividend yield 0% 0% 0% Weighted average grant date fair value $23.11 $128.14 $45.32 The following table summarizes stock option activity and the weighted average exercise price for the years ended December 31, 2022, 2021 2020 Weighted- Average Stock Options Exercise Price Options outstanding at January 1, 2020 276,266 $ 72.38 Granted 60,065 105.79 Exercised (68,958 ) 57.00 Cancelled (37,842 ) 67.92 Options outstanding at December 31, 2020 229,531 86.46 Granted 57,901 128.14 Exercised (28,991 ) 58.78 Cancelled (25,057 ) 109.31 Options outstanding at December 31, 2021 233,384 97.78 Granted 118,434 48.24 Exercised (3,114 ) 30.58 Cancelled (84,712 ) 89.32 Options outstanding at December 31, 2022 263,992 $ 79.07 Exercisable at December 31, 2022 102,692 $ 90.22 The outstanding options have a term of 10 years. For employees, options that have been granted become exercisable ratably over the vesting period, which is generally a four first first The total intrinsic value of options exercised during the years ended December 31, 2022, 2021 2020 For options outstanding at December 31, 2022 December 31, 2022 The following table summarizes information about stock options outstanding at December 31, 2022 Options Outstanding, Vested and Expected to Vest Options Exercisable Range of Exercise Prices Number Outstanding Weighted Average Remaining Contractual Life Weighted Average Exercise Price ($) Number Exercisable Weighted Average Exercise Price ($) $39.11 to $66.87 137,829 7.63 49.84 32,808 56.53 $66.88 to $96.20 37,608 6.72 89.37 17,016 82.08 $96.21 to $180.46 88,555 6.81 120.17 52,868 113.74 The fair value of share-based payment transactions is recognized in the Consolidated Statements of Comprehensive Income. As of December 31, 2022 December 31, 2022, 2021 2020 Restricted Stock The 2012 four first first The following table summarizes restricted stock activity for the years ended December 31, 2022, 2021 2020 Weighted- Average Grant Date Restricted Fair Value Stock Awards Per Share Restricted stock at January 1, 2020 314,973 $ 89.55 Granted 108,179 111.76 Restrictions lapsed (101,941 ) 84.70 Forfeited (14,012 ) 94.24 Restricted stock at December 31, 2020 307,199 98.87 Granted 205,996 123.61 Restrictions lapsed (115,908 ) 91.26 Forfeited (53,505 ) 128.05 Restricted stock at December 31, 2021 343,782 111.79 Granted 315,432 42.03 Restrictions lapsed (130,452 ) 101.32 Forfeited (50,166 ) 96.48 Restricted stock at December 31, 2022 478,596 $ 70.36 As of December 31, 2022 Performance Stock Performance stock units (PSUs) are expressed in terms of a target number of PSUs, with anywhere between 0 three December 31, 2022 The following table summarizes performance stock activity for the years ended December 31, 2022, 2021 2020 Weighted- Average Grant Date Performance Fair Value Stock Awards Per Share Performance stock at January 1, 2020 9,383 $ 58.35 Granted 19,956 118.66 Restrictions lapsed (7,113 ) 58.35 Performance change - - Forfeited (2,270 ) 58.35 Performance stock at December 31, 2020 19,956 118.66 Granted 15,078 203.64 Restrictions lapsed - - Performance change (10,366 ) 192.95 Forfeited (7,829 ) 113.91 Performance stock at December 31, 2021 16,839 115.56 Granted 35,697 96.71 Restrictions lapsed - - Performance change (13,156 ) 99.59 Forfeited (3,578 ) 121.79 Performance stock at December 31, 2022 35,802 $ 77.91 As of December 31, 2022 Employee Stock Purchase Plan The following table presents the assumptions used to estimate the fair value of the ESPP during the years ended December 31, 2022, 2021 2020 Year Ended December 31, 2022 2021 2020 Risk-free interest rate 0.17 - 4.60% 0.06 - 0.17% 0.12 - 0.17% Expected life (months) 6.00 6.00 6.00 Expected volatility 47.05 - 67.84% 53.44 - 65.53% 50.85 - 59.99% Expected dividend yield 0% 0% 0%

Note 14 - Leases

Note 14 - Leases	12 Months Ended
	Dec. 31, 2022
Notes to Financial Statements
Lessee, Operating Leases and Financing Leases [Text Block]	Note 14 Supplemental balance sheet information related to leases was as follows: December 31, (in thousands) 2022 2021 Operating lease assets $ 3,844 $ 5,578 Current operating lease liabilities $ 1,561 $ 3,298 Long-term operating lease liabilities 2,255 2,245 Total operating lease liabilities $ 3,816 $ 5,543 Finance lease assets $ 17,532 $ 1,898 Current finance lease liabilities $ 17,537 $ 550 Long-term finance lease liabilities - 1,351 Total finance lease liabilities $ 17,537 $ 1,901 Lease expense is recognized on a straight-line basis over the lease term, with variable payments recognized in the period those payments are incurred. The components of lease expense for the periods reported were as follows: Twelve Months Ended December 31, (in thousands) 2022 2021 Operating lease cost $ 3,002 $ 3,391 Finance lease cost: Amortization of right-of-use assets $ 532 $ 498 Interest on lease obligations $ 95 $ 9 Variable lease cost 560 719 Total lease cost $ 4,189 $ 4,617 Maturities of operating and finance lease liabilities as of December 31, 2022 (in thousands) Operating Leases Finance Leases Year Ending December 31, 2023 $ 1,584 $ 18,489 2024 1,088 - 2025 883 - 2026 344 - 2027 - - After 2028 - - Total future minimum lease payments 3,899 18,489 Less interest (83 ) (952 ) Present value of lease liabilities $ 3,816 $ 17,537 As of December 31, 2022 no not Weighted average remaining lease term and discount rate was as follows: December 31, 2022 2021 Weighted Average Remaining Lease Term - operating leases (years) 2.9 3.1 Weighted Average Remaining Lease Term - finance leases (years) 36.0 1.5 Weighted Average Discount Rate - operating leases 1.6 % 1.6 % Weighted Average Discount Rate - finance leases 5.9 % 0.4 % Supplemental cash flow information related to leases was as follows: Twelve Months Ended December 31, (in thousands) 2022 2021 Cash paid for amounts included in the measurement of lease liabilities: Operating cash flows from operating leases $3,778 $10,477 Operating cash flows from finance leases $95 $9 Financing cash flows from finance leases $531 $552 Lease assets obtained in exchange for new operating lease liabilities $898 $5,293 Lease assets obtained in exchange for new financing lease liabilities $16,167 -

Note 15 - Accumulated Other Com

Note 15 - Accumulated Other Comprehensive Loss	12 Months Ended
	Dec. 31, 2022
Notes to Financial Statements
Disclosure of Reclassification Amount [Text Block]	Note 15 Other comprehensive loss is comprised of foreign currency translation adjustments and net unrealized gains (losses) on investments in securities. The following table presents the changes in accumulated other comprehensive loss balances for the years ending December 31, 2022, 2021 2020 Year Ended December 31, (in thousands) 2022 2021 2020 Balance at beginning of period $ (16,817 ) $ (3,420 ) $ (7,018 ) Foreign currency translation adjustments Other comprehensive (loss) income before reclassifications (16,278 ) (13,278 ) 3,598 Amounts reclassified from accumulated other comprehensive income (loss) - - - Net current-period other comprehensive (loss) income (16,278 ) (13,278 ) 3,598 Net unrealized gains (losses) on investments in securities Other comprehensive (loss) income before reclassifications (1,260 ) (119 ) - Amounts reclassified from accumulated other comprehensive income (loss) - - - Net current-period other comprehensive (loss) income (1,260 ) (119 ) - Balance at end of period $ (34,355 ) $ (16,817 ) $ (3,420 )

Note 16 - Income Taxes

Note 16 - Income Taxes	12 Months Ended
	Dec. 31, 2022
Notes to Financial Statements
Income Tax Disclosure [Text Block]	Note 16 The Company is subject to income tax in multiple jurisdictions and the use of estimates is required to determine the provision for income taxes. For the years ended December 31, 2022, 2021 2020 December 31, 2022, 2021 2020 The effective tax rate decreased by 22.7% for the year ended December 31, 2022 2021 The Coronavirus Aid, Relief, and Economic Security (CARES) Act was signed into law on March 27, 2020. 2017 2018 2019. December 31, 2020. March 31, 2020 December 31, 2020. 2020 2021. The provision for income taxes is based on income before income taxes reported for financial statement purposes. The components of income before income taxes are as follows: Year Ended December 31, (in thousands) 2022 2021 2020 Domestic $ 33,731 $ 42,449 $ 58,551 Foreign (131,608 ) (2,265 ) 4,394 Total $ (97,877 ) $ 40,184 $ 62,945 Significant components of the provision for income taxes for the following periods are as follows: Year Ended December 31, (in thousands) 2022 2021 2020 Current: Federal $ 15,366 $ 5,552 $ 2,128 State (393 ) 975 1,136 Foreign (99 ) (64 ) 1,241 Deferred Federal (9,159 ) (377 ) 6,904 State (723 ) (814 ) (431 ) Foreign (4,641 ) (1,181 ) 210 Valuation Allowance 5,234 2,721 890 Total $ 5,585 $ 6,812 $ 12,078 A reconciliation of the federal statutory income tax rate to the effective tax rate is as follows: Year Ended December 31, 2022 2021 2020 Federal tax statutory rate 21.0 % 21.0 % 21.0 % State tax (net of federal benefit) (0.8 ) 2.1 2.1 Share based compensation (2.1 ) (2.3 ) (1.3 ) Valuation allowance against deferred tax assets (5.0 ) 8.9 2.0 Goodwill impairment (24.4 ) - - Contingent consideration reduction - (7.0 ) - Research and development credit 1.2 (4.0 ) (3.7 ) Foreign rate differential 2.9 (2.2 ) (0.8 ) Tax reserves 1.0 (1.0 ) 1.4 Provision to return difference - (0.7 ) (1.4 ) Miscellaneous 0.5 2.2 (0.1 ) Total (5.7 %) 17.0 % 19.2 % Significant components of deferred tax assets and liabilities are as follows: December 31, (in thousands) 2022 2021 Deferred tax assets: Accrued expenses $ 2,254 $ 2,511 Section 174 expenses 8,119 - Leases 4,822 1,830 Warrants and stock options 4,087 4,271 Inventories 198 205 Research and development credit 2,374 2,126 Other assets 838 1,111 Net operating loss 16,586 14,046 Less valuation allowance (17,562 ) (13,999 ) Total deferred tax assets 21,716 12,101 Deferred tax liabilities: Depreciation (29,397 ) (31,897 ) Goodwill (10,716 ) (9,872 ) Intangible assets (3,103 ) (4,394 ) Leases (4,822 ) (1,830 ) Total deferred tax liabilities (48,038 ) (47,993 ) Net deferred tax liability $ (26,322 ) $ (35,892 ) The Company has recorded no U.S. deferred taxes related to the undistributed earnings of its non-U.S. subsidiaries as of December 31, 2022 not December 31, 2022 As of December 31, 2022 ten 2023 2032. may €1 €1 may €1 €1 The Company establishes valuation allowances for deferred tax assets when, after consideration of all positive and negative evidence, it is considered more-likely-than- not not December 31, 2022 2021 2022. The Company files a U.S. federal income tax return and income tax returns in various states and foreign jurisdictions. With a few exceptions, the Company is no 2018. The Company has liabilities related to unrecognized tax benefits totaling $3.2 million and $4.4 million at December 31, 2022 2021 December 31, 2022, 2021 2020 A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows: December 31, 2022 2021 Balance at beginning of period $ 4,364 $ 4,830 Additions for tax positions of current year 634 491 Additions for tax positions of prior years 23 781 Decrease related to the expiration of statutes of limitations - (1,738 ) Reduction for tax positions of prior years (1,785 ) - Balance at period end $ 3,236 $ 4,364

Note 17 - Litigation

Note 17 - Litigation	12 Months Ended
	Dec. 31, 2022
Notes to Financial Statements
Legal Matters and Contingencies [Text Block]	Note 17 From time to time, the Company may not

Note 18 - Segment Reporting

Note 18 - Segment Reporting	12 Months Ended
	Dec. 31, 2022
Notes to Financial Statements
Segment Reporting Disclosure [Text Block]	Note 18 The Company’s reportable segments are based on the internal reporting used by the Company’s CEO, who is the chief operating decision maker (CODM), to assess operating performance and make decisions about the allocation of resources. The Company’s reportable segments are based upon geographic region, consisting of the United States and Europe. The Corporate Unallocated and Japan category includes non-reportable segments, as well as research and development and general and administrative costs that are global in nature and that the Company does not Revenue in the United States is derived from Injection Molding, CNC Machining, 3D 3D 3D 3D The accounting policies of the reportable segments are the same as those described in Note 2 not Revenue and income from operations by reportable segment are as follows: Year Ended December 31, (in thousands) 2022 2021 2020 Revenue: United States $ 387,399 $ 384,458 $ 345,708 Europe 92,770 90,399 74,796 Japan 8,229 13,241 13,891 Total revenue $ 488,398 $ 488,098 $ 434,395 Year Ended December 31, (in thousands) 2022 2021 2020 (Loss) Income from Operations: United States $ 93,176 $ 98,001 $ 98,762 Europe (130,386 ) 730 11,707 Corporate Unallocated and Japan (60,773 ) (58,389 ) (50,633 ) Total (loss) income from operations $ (97,983 ) $ 40,342 $ 59,836 Total long-lived assets, expenditures for additions to long-lived assets and depreciation and amortization expense are as follows: December 31, December 31, December 31, (in thousands) 2022 2021 2020 Long-lived assets: United States $ 203,816 $ 215,701 $ 215,721 Europe 53,835 59,388 59,388 Japan 134 5,257 7,557 Total long-lived assets $ 257,785 $ 280,346 $ 282,666 Year Ended December 31, (in thousands) 2022 2021 2020 Expenditures for additions to long-lived assets: United States $ 17,538 $ 26,698 $ 29,984 Europe 4,137 7,378 16,574 Japan 11 133 452 Total expenditures for additions to long-lived assets $ 21,686 $ 34,209 $ 47,010 Year Ended December 31, (in thousands) 2022 2021 2020 Depreciation and Amortization: United States $ 31,666 $ 31,642 $ 25,744 Europe 6,770 7,101 5,024 Japan 989 1,745 1,826 Total depreciation and amortization $ 39,425 $ 40,488 $ 32,594

Significant Accounting Policies

Significant Accounting Policies (Policies)	12 Months Ended
	Dec. 31, 2022
Accounting Policies [Abstract]
Consolidation, Policy [Policy Text Block]	Principles of consolidation The consolidated financial statements include the accounts of the Company and its wholly-owned subsidiaries, as listed within “Organization and business” above. All intercompany accounts and transactions have been eliminated in consolidation.
Comprehensive Income, Policy [Policy Text Block]	Comprehensive (loss) income Components of comprehensive (loss) income include net (loss) income, foreign currency translation adjustments and net unrealized gains and losses on investments in securities. Comprehensive (loss) income is disclosed in the accompanying Consolidated Statements of Comprehensive Income and Consolidated Statements of Shareholders’ Equity.
Use of Estimates, Policy [Policy Text Block]	Accounting estimates The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America (U.S. GAAP) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and related disclosures at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.
Cash and Cash Equivalents, Policy [Policy Text Block]	Cash and cash equivalents Cash and cash equivalents include cash and other investments, including marketable securities, with maturities of three may not
Marketable Securities, Policy [Policy Text Block]	Marketable securities Marketable securities are categorized as available-for-sale and are recorded at fair value. Management determines the appropriate classification of debt securities at the time of purchase and reevaluates such designation as of each balance sheet date. The classification of marketable securities as current or non-current is dependent upon the security’s maturity date. Securities with maturities of three
Accounts Receivable [Policy Text Block]	Accounts receivable and allowance for doubtful accounts Accounts receivable are reported at the invoiced amount less an allowance for doubtful accounts. As of each balance sheet date, the Company evaluates its accounts receivable and establishes an allowance for doubtful accounts based on a combination of specific customer circumstances and credit conditions taking into account the history of write-offs and collections. A receivable is considered past due if payment has not
Inventory, Policy [Policy Text Block]	Inventory Inventory consists primarily of raw materials, which are recorded at the lower of cost and net realizable value using the standard cost method, which approximates first first
Property, Plant and Equipment, Policy [Policy Text Block]	Property, equipment and leasehold improvements Property, equipment and leasehold improvements are stated at cost. Major improvements that substantially extend an asset’s useful life are capitalized. Repairs, maintenance and minor improvements are charged to operations as incurred. Depreciation, including amortization of leasehold improvements and assets recorded under capital leases, is calculated using the straight-line method over the estimated useful lives of the individual assets and ranges from 3 to 39 years. Manufacturing equipment is depreciated over 3 to 15 years, office furniture and equipment are depreciated over 3 to 7 years, computer hardware and software are depreciated over 3 to 5 years, building costs are depreciated over 39 years, leasehold improvements are depreciated over the estimated lives of the related assets or the life of the lease, whichever is shorter, and building and land improvements are depreciated over 10 to 39 years. Assets not not The Company follows ASC 350 40, Internal-Use Software
Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block]	Goodwill The Company recognizes goodwill in accordance with ASC 350, Intangibles—Goodwill and Other not Goodwill is tested for impairment annually as of the first fourth may may 2022 9
Internal Use Software, Policy [Policy Text Block]	Capitalized Software Costs The Company follows ASC 350 40, Intangibles – Goodwill and Other, Internal-Use Software
Goodwill and Intangible Assets, Intangible Assets, Policy [Policy Text Block]	Other Intangible Assets Other intangible assets include software technology, customer relationships and other intangible assets acquired from other independent parties. Other intangible assets with a definite life are amortized over a period ranging from two may not
Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block]	Accounting for long-lived assets The Company periodically reviews the carrying amount of its property, equipment and leasehold improvements to determine if circumstances exist indicating an impairment or if depreciation periods should be modified. If facts or circumstances indicate that an impairment may
Revenue [Policy Text Block]	Revenue recognition The Company recognizes revenue for its internal and outsourced manufacturing operations in accordance with ASC 606, Revenue from Contracts with Customers no two one second
Lessee, Leases [Policy Text Block]	Leases The Company accounts for leases in accordance with ASC 842, Leases not The Company has operating leases for office space, manufacturing facilities and certain company vehicles and equipment and finance leases for certain company equipment and manufacturing facilities. The leases have remaining lease terms of one nine 12 not may December 31, 2022 not
Income Tax, Policy [Policy Text Block]	Income taxes The Company accounts for income taxes in accordance with ASC 740, Income Taxes 740 not not ASC 740 not not.
Compensation Related Costs, Policy [Policy Text Block]	Stock-based compensation The Company accounts for stock-based compensation in accordance with ASC 718, Compensation—Stock Compensation 718 718, not In determining the compensation cost of the options granted, the fair value of options granted has been estimated on the date of grant using the Black-Scholes option-pricing model.
Advertising Cost [Policy Text Block]	Advertising costs Advertising is expensed as incurred and was approximately $11.8 million, $11.6 million and $11.5 million for the years ended December 31, 2022, 2021 2020
Research and Development Expense, Policy [Policy Text Block]	Research and development Research and development expenses consist primarily of personnel and outside service costs related to the development of new processes and product lines, enhancements of existing product lines, development of software for internal use, maintenance of internally developed software, quality assurance and testing. Costs for internal use software are evaluated by project and capitalized where appropriate under ASC 350 40, Intangibles - Goodwill and Other, Internal-Use Software December 31, 2022, 2021 2020
Foreign Currency Transactions and Translations Policy [Policy Text Block]	Foreign currency translation/transactions The Company translated the balance sheets of its foreign subsidiaries at period-end exchange rates and the income statement at the average exchange rates in effect throughout the period. The Company has recorded the translation adjustment as a separate component of consolidated shareholders’ equity. Foreign currency transaction gains and losses are recognized in the Consolidated Statements of Comprehensive Income.
New Accounting Pronouncements, Policy [Policy Text Block]	Recently adopted accounting pronouncements The Company did not no

Note 3 - Revenue (Tables)

Note 3 - Revenue (Tables)	12 Months Ended
	Dec. 31, 2022
Notes Tables
Disaggregation of Revenue [Table Text Block]	Year Ended December 31, (in thousands) 2022 2021 2020 Revenue: United States $ 387,399 $ 384,458 $ 345,708 Europe 92,770 90,399 74,796 Japan 8,229 13,241 13,891 Total revenue $ 488,398 $ 488,098 $ 434,395 Year Ended December 31, (in thousands) 2022 2021 2020 Revenue: Injection Molding $ 200,578 $ 226,117 $ 217,992 CNC Machining 188,372 166,811 131,587 3D Printing 78,988 72,721 62,502 Sheet Metal 19,498 20,397 18,838 Other Revenue 962 2,052 3,476 Total revenue $ 488,398 $ 488,098 $ 434,395

Note 4 - Net (Loss) Income Pe_2

Note 4 - Net (Loss) Income Per Common Share (Tables)	12 Months Ended
	Dec. 31, 2022
Notes Tables
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]	Year Ended December 31, (in thousands, except share and per share amounts) 2022 2021 2020 Net (loss) income $ (103,462 ) $ 33,372 $ 50,867 Basic - weighted-average shares outstanding: 27,409,838 27,617,627 26,737,425 Effect of dilutive securities: Employee stock options and other - 35,472 158,932 Diluted - weighted-average shares outstanding: 27,409,838 27,653,099 26,896,357 Net (loss) income per share attributable to common shareholders: Basic $ (3.77 ) $ 1.21 $ 1.90 Diluted $ (3.77 ) $ 1.21 $ 1.89

Note 5 - Business Combinations

Note 5 - Business Combinations (Tables)	12 Months Ended
	Dec. 31, 2022
Acquired 3D Hubs [Member]
Notes Tables
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]	(in thousands) Assets acquired: Current assets $ 2,497 Intangible assets 30,770 Goodwill 280,925 Other long-term assets 1,139 Total assets acquired 315,331 Liabilities assumed: Current contingent consideration 7,093 Current liabilities 5,666 Long-term contingent consideration 6,507 Long-term deferred tax liabilities 1,688 Other long-term liabilities 255 Total liabilities assumed 21,209 Net assets acquired $ 294,122 Cash paid $ 133,847 Cash acquired (6,434 ) Net cash consideration 127,413 Equity portion of purchase price 166,709 Total purchase consideration $ 294,122

Note 6 - Goodwill and Other I_2

Note 6 - Goodwill and Other Intangible Assets (Tables)	12 Months Ended
	Dec. 31, 2022
Notes Tables
Schedule of Goodwill [Table Text Block]	(in thousands) Dec. 31, 2020 Goodwill acquired during 2021 Foreign currency translation adjustments during 2021 Dec. 31, 2021 Goodwill acquired (impaired) during 2022 Foreign currency translation adjustments during 2022 Dec. 31, 2022 United States $ 123,883 $ 150,108 $ - $ 273,991 $ - $ - $ 273,991 Europe 4,239 130,817 (9,067 ) 125,989 (118,008 ) (7,981 ) - Japan 630 - - 630 (630 ) - - Total goodwill $ 128,752 $ 280,925 $ (9,067 ) $ 400,610 $ (118,638 ) $ (7,981 ) $ 273,991
Schedule of Finite-Lived Intangible Assets [Table Text Block]	Year Ended December 31, 2022 Year Ended December 31, 2021 Weighted Average Useful Life (in thousands) Gross Accumulated Amortization Net Gross Accumulated Amortization Net Useful Life (in years) Remaining (in years) Marketing assets $930 $(806 ) $124 $930 $(713 ) $217 10.0 1.3 Non-compete agreement 828 (487 ) $341 842 (363 ) 479 2.0 - 5.0 2.1 Software technology 13,229 (6,383 ) $6,846 13,229 (5,014 ) 8,215 10.0 5.5 Software platform 26,054 (4,337 ) $21,717 26,725 (2,262 ) 24,463 12.0 10.1 Tradenames 350 (227 ) $123 359 (114 ) 245 3.0 1.1 Customer relationships 12,197 (10,098 ) $2,099 12,252 (7,873 ) 4,379 3.0 - 9.0 0.8 Total intangible assets $ 53,588 $ (22,338 ) $ 31,250 $ 54,337 $ (16,339 ) $ 37,998
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]	(in thousands) Estimated Amortization Expense 2023 $ 5,884 2024 3,732 2025 3,634 2026 3,532 2027 3,523 Thereafter 10,945 Total estimated amortization expense $ 31,250

Note 7 - Fair Value Measureme_2

Note 7 - Fair Value Measurements (Tables)	12 Months Ended
	Dec. 31, 2022
Notes Tables
Fair Value, Assets Measured on Recurring Basis [Table Text Block]	December 31, 2022 December 31, 2021 (in thousands) Level 1 Level 2 Level 3 Level 1 Level 2 Level 3 Financial Assets: Cash and cash equivalents, excluding money market mutual fund $ 38,862 $ - $ - $ 65,637 $ - $ - Money market mutual fund 17,696 - - 292 - - Marketable securities 9,881 40,106 - 7,602 18,318 - Total $ 66,439 $ 40,106 $ - $ 73,531 $ 18,318 $ -

Note 8 - Marketable Securities

Note 8 - Marketable Securities (Tables)	12 Months Ended
	Dec. 31, 2022
Notes Tables
Debt Securities, Available-for-Sale [Table Text Block]	December 31, 2022 (in thousands) Amortized Cost Unrealized Gains Unrealized Losses Fair Value U.S. government agency securities $ 25,275 $ - $ (750 ) $ 24,525 Corporate debt securities 9,578 - (205 ) 9,373 U.S. municipal securities 15,574 - (417 ) 15,157 Certificates of deposit/time deposits 939 - (7 ) 932 Total marketable securities $ 51,366 $ - $ (1,379 ) $ 49,987 December 31, 2021 (in thousands) Amortized Cost Unrealized Gains Unrealized Losses Fair Value U.S. government agency securities $ 2,500 $ - $ (12 ) $ 2,488 Corporate debt securities 9,303 - (44 ) 9,259 U.S. municipal securities 12,549 - (70 ) 12,479 Certificates of deposit/time deposits 1,687 7 - 1,694 Total marketable securities $ 26,039 $ 7 $ (126 ) $ 25,920
Investments Classified by Contractual Maturity Date [Table Text Block]	December 31, (in thousands) 2022 Due in one year or less $ 23,568 Due after one year through five years 26,419 Total marketable securities $ 49,987

Note 9 - Property and Equipme_2

Note 9 - Property and Equipment (Tables)	12 Months Ended
	Dec. 31, 2022
Notes Tables
Property, Plant and Equipment [Table Text Block]	December 31, (in thousands) 2022 2021 Land $ 14,153 $ 15,009 Buildings and improvements 105,492 107,241 Machinery and equipment 228,654 234,900 Computer hardware and software 82,302 81,889 Leasehold improvements 4,548 8,373 Construction in progress 22,674 14,489 Total 457,823 461,901 Accumulated depreciation and amortization (200,038 ) (181,555 ) Property and equipment, net $ 257,785 $ 280,346

Note 10 - Inventory (Tables)

Note 10 - Inventory (Tables)	12 Months Ended
	Dec. 31, 2022
Notes Tables
Schedule of Inventory, Current [Table Text Block]	December 31, (in thousands) 2022 2021 Total inventory 13,965 13,474 Allowance for obsolescence (387 ) (313 ) Inventory, net of allowance $ 13,578 $ 13,161

Note 13 - Stock-based Compens_2

Note 13 - Stock-based Compensation (Tables)	12 Months Ended
	Dec. 31, 2022
Notes Tables
Share-Based Payment Arrangement, Cost by Plan [Table Text Block]	Year Ended December 31, (in thousands) 2022 2021 2020 Stock options and other $ 16,103 $ 17,553 $ 13,327 Employee stock purchase plan 1,442 1,542 1,346 Total stock-based compensation expense $ 17,545 $ 19,095 $ 14,673 Cost of revenue $ 2,172 $ 2,595 $ 2,451 Operating expenses: Marketing and sales 3,295 3,736 3,121 Research and development 2,189 2,833 2,440 General and administrative 9,889 9,931 6,661 Total stock-based compensation expense $ 17,545 $ 19,095 $ 14,673
Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]	Year Ended December 31, 2022 2021 2020 Risk-free interest rate 1.94 - 3.40% 0.80 - 1.12% 0.50 - 1.47% Expected life (years) 6.25 6.25 6.25 Expected volatility 45.95 - 46.03% 45.28 - 45.53% 42.40 - 43.83% Expected dividend yield 0% 0% 0% Weighted average grant date fair value $23.11 $128.14 $45.32
Share-Based Payment Arrangement, Option, Activity [Table Text Block]	Weighted- Average Stock Options Exercise Price Options outstanding at January 1, 2020 276,266 $ 72.38 Granted 60,065 105.79 Exercised (68,958 ) 57.00 Cancelled (37,842 ) 67.92 Options outstanding at December 31, 2020 229,531 86.46 Granted 57,901 128.14 Exercised (28,991 ) 58.78 Cancelled (25,057 ) 109.31 Options outstanding at December 31, 2021 233,384 97.78 Granted 118,434 48.24 Exercised (3,114 ) 30.58 Cancelled (84,712 ) 89.32 Options outstanding at December 31, 2022 263,992 $ 79.07 Exercisable at December 31, 2022 102,692 $ 90.22
Share-Based Payment Arrangement, Option, Exercise Price Range [Table Text Block]	Options Outstanding, Vested and Expected to Vest Options Exercisable Range of Exercise Prices Number Outstanding Weighted Average Remaining Contractual Life Weighted Average Exercise Price ($) Number Exercisable Weighted Average Exercise Price ($) $39.11 to $66.87 137,829 7.63 49.84 32,808 56.53 $66.88 to $96.20 37,608 6.72 89.37 17,016 82.08 $96.21 to $180.46 88,555 6.81 120.17 52,868 113.74
Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]	Weighted- Average Grant Date Restricted Fair Value Stock Awards Per Share Restricted stock at January 1, 2020 314,973 $ 89.55 Granted 108,179 111.76 Restrictions lapsed (101,941 ) 84.70 Forfeited (14,012 ) 94.24 Restricted stock at December 31, 2020 307,199 98.87 Granted 205,996 123.61 Restrictions lapsed (115,908 ) 91.26 Forfeited (53,505 ) 128.05 Restricted stock at December 31, 2021 343,782 111.79 Granted 315,432 42.03 Restrictions lapsed (130,452 ) 101.32 Forfeited (50,166 ) 96.48 Restricted stock at December 31, 2022 478,596 $ 70.36
Schedule of Nonvested Performance-Based Units Activity [Table Text Block]	Weighted- Average Grant Date Performance Fair Value Stock Awards Per Share Performance stock at January 1, 2020 9,383 $ 58.35 Granted 19,956 118.66 Restrictions lapsed (7,113 ) 58.35 Performance change - - Forfeited (2,270 ) 58.35 Performance stock at December 31, 2020 19,956 118.66 Granted 15,078 203.64 Restrictions lapsed - - Performance change (10,366 ) 192.95 Forfeited (7,829 ) 113.91 Performance stock at December 31, 2021 16,839 115.56 Granted 35,697 96.71 Restrictions lapsed - - Performance change (13,156 ) 99.59 Forfeited (3,578 ) 121.79 Performance stock at December 31, 2022 35,802 $ 77.91
Schedule of Share-based Payment Award, Awards Other Than Stock Options, Valuation Assumptions [Table Text Block]	Year Ended December 31, 2022 2021 2020 Risk-free interest rate 0.17 - 4.60% 0.06 - 0.17% 0.12 - 0.17% Expected life (months) 6.00 6.00 6.00 Expected volatility 47.05 - 67.84% 53.44 - 65.53% 50.85 - 59.99% Expected dividend yield 0% 0% 0%

Note 14 - Leases (Tables)

Note 14 - Leases (Tables)	12 Months Ended
	Dec. 31, 2022
Notes Tables
Assets and Liabilities, Lessee [Table Text Block]	December 31, (in thousands) 2022 2021 Operating lease assets $ 3,844 $ 5,578 Current operating lease liabilities $ 1,561 $ 3,298 Long-term operating lease liabilities 2,255 2,245 Total operating lease liabilities $ 3,816 $ 5,543 Finance lease assets $ 17,532 $ 1,898 Current finance lease liabilities $ 17,537 $ 550 Long-term finance lease liabilities - 1,351 Total finance lease liabilities $ 17,537 $ 1,901
Schedule of Lease Expense [Table Text Block]	Twelve Months Ended December 31, (in thousands) 2022 2021 Operating lease cost $ 3,002 $ 3,391 Finance lease cost: Amortization of right-of-use assets $ 532 $ 498 Interest on lease obligations $ 95 $ 9 Variable lease cost 560 719 Total lease cost $ 4,189 $ 4,617 Twelve Months Ended December 31, (in thousands) 2022 2021 Cash paid for amounts included in the measurement of lease liabilities: Operating cash flows from operating leases $3,778 $10,477 Operating cash flows from finance leases $95 $9 Financing cash flows from finance leases $531 $552 Lease assets obtained in exchange for new operating lease liabilities $898 $5,293 Lease assets obtained in exchange for new financing lease liabilities $16,167 -
Lessee, Lease Liability, Maturity [Table Text Block]	(in thousands) Operating Leases Finance Leases Year Ending December 31, 2023 $ 1,584 $ 18,489 2024 1,088 - 2025 883 - 2026 344 - 2027 - - After 2028 - - Total future minimum lease payments 3,899 18,489 Less interest (83 ) (952 ) Present value of lease liabilities $ 3,816 $ 17,537
Schedule of Lease Terms and Discount Rates [Table Text Block]	December 31, 2022 2021 Weighted Average Remaining Lease Term - operating leases (years) 2.9 3.1 Weighted Average Remaining Lease Term - finance leases (years) 36.0 1.5 Weighted Average Discount Rate - operating leases 1.6 % 1.6 % Weighted Average Discount Rate - finance leases 5.9 % 0.4 %

Note 15 - Accumulated Other C_2

Note 15 - Accumulated Other Comprehensive Loss (Tables)	12 Months Ended
	Dec. 31, 2022
Notes Tables
Comprehensive Income (Loss) [Table Text Block]	Year Ended December 31, (in thousands) 2022 2021 2020 Balance at beginning of period $ (16,817 ) $ (3,420 ) $ (7,018 ) Foreign currency translation adjustments Other comprehensive (loss) income before reclassifications (16,278 ) (13,278 ) 3,598 Amounts reclassified from accumulated other comprehensive income (loss) - - - Net current-period other comprehensive (loss) income (16,278 ) (13,278 ) 3,598 Net unrealized gains (losses) on investments in securities Other comprehensive (loss) income before reclassifications (1,260 ) (119 ) - Amounts reclassified from accumulated other comprehensive income (loss) - - - Net current-period other comprehensive (loss) income (1,260 ) (119 ) - Balance at end of period $ (34,355 ) $ (16,817 ) $ (3,420 )

Note 16 - Income Taxes (Tables)

Note 16 - Income Taxes (Tables)	12 Months Ended
	Dec. 31, 2022
Notes Tables
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]	Year Ended December 31, (in thousands) 2022 2021 2020 Domestic $ 33,731 $ 42,449 $ 58,551 Foreign (131,608 ) (2,265 ) 4,394 Total $ (97,877 ) $ 40,184 $ 62,945
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]	Year Ended December 31, (in thousands) 2022 2021 2020 Current: Federal $ 15,366 $ 5,552 $ 2,128 State (393 ) 975 1,136 Foreign (99 ) (64 ) 1,241 Deferred Federal (9,159 ) (377 ) 6,904 State (723 ) (814 ) (431 ) Foreign (4,641 ) (1,181 ) 210 Valuation Allowance 5,234 2,721 890 Total $ 5,585 $ 6,812 $ 12,078
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]	Year Ended December 31, 2022 2021 2020 Federal tax statutory rate 21.0 % 21.0 % 21.0 % State tax (net of federal benefit) (0.8 ) 2.1 2.1 Share based compensation (2.1 ) (2.3 ) (1.3 ) Valuation allowance against deferred tax assets (5.0 ) 8.9 2.0 Goodwill impairment (24.4 ) - - Contingent consideration reduction - (7.0 ) - Research and development credit 1.2 (4.0 ) (3.7 ) Foreign rate differential 2.9 (2.2 ) (0.8 ) Tax reserves 1.0 (1.0 ) 1.4 Provision to return difference - (0.7 ) (1.4 ) Miscellaneous 0.5 2.2 (0.1 ) Total (5.7 %) 17.0 % 19.2 %
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]	December 31, (in thousands) 2022 2021 Deferred tax assets: Accrued expenses $ 2,254 $ 2,511 Section 174 expenses 8,119 - Leases 4,822 1,830 Warrants and stock options 4,087 4,271 Inventories 198 205 Research and development credit 2,374 2,126 Other assets 838 1,111 Net operating loss 16,586 14,046 Less valuation allowance (17,562 ) (13,999 ) Total deferred tax assets 21,716 12,101 Deferred tax liabilities: Depreciation (29,397 ) (31,897 ) Goodwill (10,716 ) (9,872 ) Intangible assets (3,103 ) (4,394 ) Leases (4,822 ) (1,830 ) Total deferred tax liabilities (48,038 ) (47,993 ) Net deferred tax liability $ (26,322 ) $ (35,892 )
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]	December 31, 2022 2021 Balance at beginning of period $ 4,364 $ 4,830 Additions for tax positions of current year 634 491 Additions for tax positions of prior years 23 781 Decrease related to the expiration of statutes of limitations - (1,738 ) Reduction for tax positions of prior years (1,785 ) - Balance at period end $ 3,236 $ 4,364

Note 18 - Segment Reporting (Ta

Note 18 - Segment Reporting (Tables)	12 Months Ended
	Dec. 31, 2022
Notes Tables
Income from Operations by Geographic Area [Table Text Block]	Year Ended December 31, (in thousands) 2022 2021 2020 (Loss) Income from Operations: United States $ 93,176 $ 98,001 $ 98,762 Europe (130,386 ) 730 11,707 Corporate Unallocated and Japan (60,773 ) (58,389 ) (50,633 ) Total (loss) income from operations $ (97,983 ) $ 40,342 $ 59,836
Long-Lived Assets by Geographic Areas [Table Text Block]	December 31, December 31, December 31, (in thousands) 2022 2021 2020 Long-lived assets: United States $ 203,816 $ 215,701 $ 215,721 Europe 53,835 59,388 59,388 Japan 134 5,257 7,557 Total long-lived assets $ 257,785 $ 280,346 $ 282,666
Expenditures for Additions to Long-lived Assets by Geographic Region [Table Text Block]	Year Ended December 31, (in thousands) 2022 2021 2020 Expenditures for additions to long-lived assets: United States $ 17,538 $ 26,698 $ 29,984 Europe 4,137 7,378 16,574 Japan 11 133 452 Total expenditures for additions to long-lived assets $ 21,686 $ 34,209 $ 47,010
Depreciation and Amortization by Geographic Region [Table Text Block]	Year Ended December 31, (in thousands) 2022 2021 2020 Depreciation and Amortization: United States $ 31,666 $ 31,642 $ 25,744 Europe 6,770 7,101 5,024 Japan 989 1,745 1,826 Total depreciation and amortization $ 39,425 $ 40,488 $ 32,594
Operating Segments [Member]
Notes Tables
Revenue from External Customers by Geographic Areas [Table Text Block]	Year Ended December 31, (in thousands) 2022 2021 2020 Revenue: United States $ 387,399 $ 384,458 $ 345,708 Europe 92,770 90,399 74,796 Japan 8,229 13,241 13,891 Total revenue $ 488,398 $ 488,098 $ 434,395

Note 2 - Summary of Significa_2

Note 2 - Summary of Significant Accounting Policies (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Advertising Expense	$ 11,800	$ 11,600	$ 11,500
Research and Development Expense, Total	38,222	$ 44,241	$ 36,940
Europe Reporting Unit [Member]
Goodwill, Impairment Loss	$ 118,000
Building [Member]
Property, Plant and Equipment, Useful Life (Year)	39 years
Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)	3 years
Finite-Lived Intangible Asset, Useful Life (Year)	2 years
Minimum [Member] | Office Space, Manufacturing Facilities, and Certain Company Vehicles and Equipment [Member]
Lessee, Operating Lease, Term of Contract (Year)	1 year
Minimum [Member] | Equipment [Member]
Property, Plant and Equipment, Useful Life (Year)	3 years
Minimum [Member] | Office Furniture And Equipment [Member]
Property, Plant and Equipment, Useful Life (Year)	3 years
Minimum [Member] | Computer Equipment [Member]
Property, Plant and Equipment, Useful Life (Year)	3 years
Minimum [Member] | Land, Buildings and Improvements [Member]
Property, Plant and Equipment, Useful Life (Year)	10 years
Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)	39 years
Finite-Lived Intangible Asset, Useful Life (Year)	12 years
Maximum [Member] | Office Space, Manufacturing Facilities, and Certain Company Vehicles and Equipment [Member]
Lessee, Operating Lease, Term of Contract (Year)	9 years
Maximum [Member] | Equipment [Member]
Property, Plant and Equipment, Useful Life (Year)	15 years
Maximum [Member] | Office Furniture And Equipment [Member]
Property, Plant and Equipment, Useful Life (Year)	7 years
Maximum [Member] | Computer Equipment [Member]
Property, Plant and Equipment, Useful Life (Year)	5 years
Maximum [Member] | Land, Buildings and Improvements [Member]
Property, Plant and Equipment, Useful Life (Year)	39 years

Note 3 - Revenue - Disaggregati

Note 3 - Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenue:
Revenue	$ 488,398	$ 488,098	$ 434,395
Injection Molding (Protomold) [Member]
Revenue:
Revenue	200,578	226,117	217,992
CNC Machining (Firstcut) [Member]
Revenue:
Revenue	188,372	166,811	131,587
3D Printing (Fineline) [Member]
Revenue:
Revenue	78,988	72,721	62,502
Sheet Metal [Member]
Revenue:
Revenue	19,498	20,397	18,838
Other Products [Member]
Revenue:
Revenue	962	2,052	3,476
UNITED STATES
Revenue:
Revenue	387,399	384,458	345,708
Europe [Member]
Revenue:
Revenue	92,770	90,399	74,796
JAPAN
Revenue:
Revenue	$ 8,229	$ 13,241	$ 13,891

Note 4 - Net (Loss) Income Pe_3

Note 4 - Net (Loss) Income Per Common Share (Details Textual) - shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	197,827	113,043

Note 4 - Net (Loss) Income Pe_4

Note 4 - Net (Loss) Income Per Common Share - Computation of Basic and Diluted Net Income Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Net (loss) income	$ (103,462)	$ 33,372	$ 50,867
Basic - weighted-average shares outstanding: (in shares)	27,409,838	27,617,627	26,737,425
Employee stock options and other (in shares)	0	35,472	158,932
Diluted - weighted-average shares outstanding: (in shares)	27,409,838	27,653,099	26,896,357
Basic (in dollars per share)	$ (3.77)	$ 1.21	$ 1.90
Diluted (in dollars per share)	$ (3.77)	$ 1.21	$ 1.89

Note 5 - Business Combination_2

Note 5 - Business Combinations (Details Textual) - USD ($) $ in Thousands		11 Months Ended	12 Months Ended
	Jan. 22, 2021	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Payments to Acquire Businesses, Net of Cash Acquired, Total			$ 0	$ 127,413	$ 0
Acquired 3D Hubs [Member]
Business Combination, Consideration Transferred, Total	$ 294,122
Payments to Acquire Businesses, Net of Cash Acquired, Total	$ 127,413
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares)	863,995
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable	$ 166,709
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High	52,800
Payments to Acquire Businesses, Gross	$ 133,847
Acquired 3D Hubs [Member] | Cash [Member]
Payments to Acquire Businesses, Gross		$ 25,000
Acquired 3D Hubs [Member] | Common Stock [Member] | Maximum [Member]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares)	143,983
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High	$ 27,800

Note 5 - Business Combination_3

Note 5 - Business Combinations - Allocation of Purchase Price for the Acquisition of Rapid (Details) - USD ($) $ in Thousands		12 Months Ended
	Jan. 22, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Assets acquired:
Goodwill		$ 273,991	$ 400,610	$ 128,752
Liabilities assumed:
Net cash consideration		$ 0	$ 127,413	$ 0
Acquired 3D Hubs [Member]
Assets acquired:
Current assets	$ 2,497
Intangible assets	30,770
Goodwill	280,925
Other long-term assets	1,139
Total assets acquired	315,331
Liabilities assumed:
Current contingent consideration	7,093
Current liabilities	5,666
Long-term contingent consideration	6,507
Long-term deferred tax liabilities	1,688
Other long-term liabilities	255
Total liabilities assumed	21,209
Net assets acquired	294,122
Payments to Acquire Businesses, Gross	133,847
Cash acquired	(6,434)
Net cash consideration	127,413
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable	166,709
Total purchase consideration	$ 294,122

Note 6 - Goodwill and Other I_3

Note 6 - Goodwill and Other Intangible Assets (Details Textual) $ in Thousands, € in Millions			12 Months Ended
	Jan. 22, 2021 USD ($)	Jan. 22, 2021 EUR (€)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Goodwill, Acquired During Period				$ 280,925
Amortization of Intangible Assets			$ 6,000	6,200	$ 3,000
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax, Total			1,700	900	0
Europe [Member]
Goodwill, Impairment Loss			118,008	0	$ 0
Goodwill, Acquired During Period				130,817
UNITED STATES
Goodwill, Acquired During Period				150,108
Acquired 3D Hubs [Member]
Goodwill, Acquired During Period				$ 280,900
Acquired 3D Hubs [Member] | Europe [Member]
Goodwill, Acquired During Period | €		€ 106.5
Acquired 3D Hubs [Member] | UNITED STATES
Goodwill, Acquired During Period	$ 150,100
Europe and Japan Reporting Units [Member]
Goodwill, Impairment Loss			$ 126,600

Note 6 - Goodwill and Other I_4

Note 6 - Goodwill and Other Intangible Assets - Changes in Carrying Amount of Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Goodwill, balance as of the beginning of the period	$ 400,610	$ 128,752
Goodwill acquired during the period		280,925
Goodwill, foreign currency translation adjustment	(7,981)	(9,067)
Goodwill acquired (impaired)	(118,638)
Goodwill, balance as of the end of the period	273,991	400,610
UNITED STATES
Goodwill, balance as of the beginning of the period	273,991	123,883
Goodwill acquired during the period		150,108
Goodwill, foreign currency translation adjustment	0	0
Goodwill acquired (impaired)	0
Goodwill, balance as of the end of the period	273,991	273,991
Europe [Member]
Goodwill, balance as of the beginning of the period	125,989	4,239
Goodwill acquired during the period		130,817
Goodwill, foreign currency translation adjustment	(7,981)	(9,067)
Goodwill acquired (impaired)	(118,008)
Goodwill, balance as of the end of the period	0	125,989
JAPAN
Goodwill, balance as of the beginning of the period	630	630
Goodwill acquired during the period		0
Goodwill, foreign currency translation adjustment	0	0
Goodwill acquired (impaired)	(630)
Goodwill, balance as of the end of the period	$ 0	$ 630

Note 6 - Goodwill and Other I_5

Note 6 - Goodwill and Other Intangible Assets - Intangible Assets Other Than Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Gross	$ 53,588	$ 54,337
Accumulated Amortization	(22,338)	(16,339)
Net	$ 31,250	37,998
Minimum [Member]
Useful Life (Year)	2 years
Maximum [Member]
Useful Life (Year)	12 years
Marketing-Related Intangible Assets [Member]
Gross	$ 930	930
Accumulated Amortization	(806)	(713)
Net	$ 124	217
Useful Life (Year)	10 years
Weighted average useful life remaining (Year)	1 year 3 months 18 days
Noncompete Agreements [Member]
Gross	$ 828	842
Accumulated Amortization	(487)	(363)
Net	$ 341	479
Weighted average useful life remaining (Year)	2 years 1 month 6 days
Noncompete Agreements [Member] | Minimum [Member]
Useful Life (Year)	2 years
Noncompete Agreements [Member] | Maximum [Member]
Useful Life (Year)	5 years
Computer Software, Intangible Asset [Member]
Gross	$ 13,229	13,229
Accumulated Amortization	(6,383)	(5,014)
Net	$ 6,846	8,215
Useful Life (Year)	10 years
Weighted average useful life remaining (Year)	5 years 6 months
Software Platform [Member]
Gross	$ 26,054	26,725
Accumulated Amortization	(4,337)	(2,262)
Net	$ 21,717	24,463
Useful Life (Year)	12 years
Weighted average useful life remaining (Year)	10 years 1 month 6 days
Trade Names [Member]
Gross	$ 350	359
Accumulated Amortization	(227)	(114)
Net	$ 123	245
Useful Life (Year)	3 years
Weighted average useful life remaining (Year)	1 year 1 month 6 days
Customer Relationships [Member]
Gross	$ 12,197	12,252
Accumulated Amortization	(10,098)	(7,873)
Net	$ 2,099	$ 4,379
Weighted average useful life remaining (Year)	9 months 18 days
Customer Relationships [Member] | Minimum [Member]
Useful Life (Year)	3 years
Customer Relationships [Member] | Maximum [Member]
Useful Life (Year)	9 years

Note 6 - Goodwill and Other I_6

Note 6 - Goodwill and Other Intangible Assets - Estimated Aggregated Amortization Expense (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
2023	$ 5,884
2024	3,732
2025	3,634
2026	3,532
2027	3,523
Thereafter	10,945
Total estimated amortization expense	$ 31,250	$ 37,998

Note 7 - Fair Value Measureme_3

Note 7 - Fair Value Measurements - Fair Value of Financial Assets Measured on a Recurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Marketable securities	$ 49,987	$ 25,920
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Cash and cash equivalents	38,862	65,637
Marketable securities	9,881	7,602
Total	66,439	73,531
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Money Market Funds [Member]
Cash and cash equivalents	17,696	292
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Cash and cash equivalents	0	0
Marketable securities	40,106	18,318
Total	40,106	18,318
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Money Market Funds [Member]
Cash and cash equivalents	0	0
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Cash and cash equivalents	0	0
Marketable securities	0	0
Total	0	0
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Money Market Funds [Member]
Cash and cash equivalents	$ 0	$ 0

Note 8 - Marketable Securitie_2

Note 8 - Marketable Securities - Short-term and Long-term Available for Sale Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Amortized Cost	$ 51,366	$ 26,039
Unrealized Gains	0	7
Unrealized Losses	(1,379)	(126)
Fair Value	49,987	25,920
US Government Agencies Debt Securities [Member]
Amortized Cost	25,275	2,500
Unrealized Gains	0	0
Unrealized Losses	(750)	(12)
Fair Value	24,525	2,488
Corporate Debt Securities [Member]
Amortized Cost	9,578	9,303
Unrealized Gains	0	0
Unrealized Losses	(205)	(44)
Fair Value	9,373	9,259
US States and Political Subdivisions Debt Securities [Member]
Amortized Cost	15,574	12,549
Unrealized Gains	0	0
Unrealized Losses	(417)	(70)
Fair Value	15,157	12,479
Bank Time Deposits [Member]
Amortized Cost	939	1,687
Unrealized Gains	0	7
Unrealized Losses	(7)	0
Fair Value	$ 932	$ 1,694

Note 8 - Marketable Securitie_3

Note 8 - Marketable Securities - Balance of Held-to-maturity Debt Securities by Contractual Maturity (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Due in one year or less	$ 23,568
Due after one year through five years	26,419
Total marketable securities	$ 49,987	$ 25,920

Note 9 - Property and Equipme_3

Note 9 - Property and Equipment (Details Textual) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Depreciation, Total	$ 33.4	$ 34.3	$ 29.6

Note 9 - Property and Equipme_4

Note 9 - Property and Equipment - Components of Property and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Land	$ 14,153	$ 15,009
Buildings and improvements	105,492	107,241
Machinery and equipment	228,654	234,900
Computer hardware and software	82,302	81,889
Leasehold improvements	4,548	8,373
Construction in progress	22,674	14,489
Total	457,823	461,901
Accumulated depreciation and amortization	(200,038)	(181,555)
Property and equipment, net	$ 257,785	$ 280,346	$ 282,666

Note 10 - Inventory - Inventory

Note 10 - Inventory - Inventory (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Total inventory	$ 13,965	$ 13,474
Allowance for obsolescence	(387)	(313)
Inventory, net of allowance	$ 13,578	$ 13,161

Note 11 - Financing Obligatio_2

Note 11 - Financing Obligations (Details Textual) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Long-Term Line of Credit, Total	$ 0	$ 0

Note 12 - Employee Benefit Pl_2

Note 12 - Employee Benefit Plans (Details Textual) - 401(k) Retirement Plan [Member] $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
UNITED STATES
Minimum Number Of Employee Working Hours Required To Be Eligible To Participate In 401K Plan	20
Minimum Service Period Of Employees To Avail Benefit Under Defined Contribution Benefit Plan (Month)	3 months
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent	50%
Defined Contribution Plan, Employer Discretionary Contribution Amount	$ 3.9	$ 3.7	$ 3.3
Foreign Plan [Member]
Defined Contribution Plan, Employer Discretionary Contribution Amount	$ 0.5	$ 0.4	$ 0.5

Note 13 - Stock-based Compens_3

Note 13 - Stock-based Compensation (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value	$ 0	$ 3,800	$ 5,400
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term (Year)	7 years 2 months 12 days
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value	$ 0
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term (Year)	4 years 8 months 12 days
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value	$ 0
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested in Period, Fair Value	$ 2,300	$ 2,100	$ 1,800
ESPP [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Discount from Market Price, Offering Date	15%
Employee Stock Purchase Plan, Offering Period (Month)	6 months
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent	85%
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture, Total (in shares)	142,982	67,729
Employee Stock Purchase Plan, Weighted Average Purchase Price of Shares Purchased (in shares)	27.09	61.96
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares)	915,884
Share-Based Payment Arrangement, Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year)	10 years
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total	$ 3,900
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)	2 years 7 months 6 days
Share-Based Payment Arrangement, Option [Member] | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)	4 years
Restricted Stock [Member]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total	$ 21,100
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)	2 years 4 months 24 days
Restricted Stock [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)	4 years
Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)	3 years
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total	$ 2,500
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)	2 years
Percentage of Target Number Capable of Being Earned and Vesting, Lower Limit	0%
Percentage of Target Number Capable of Being Earned and Vesting, Upper Limit	200%
Long-Term Incentive Plan 2012 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year)	10 years

Note 13 - Stock-based Compens_4

Note 13 - Stock-based Compensation - Stock-based Compensation Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Allocated share-based compensation expense	$ 17,545	$ 19,095	$ 14,673
Cost of Sales [Member]
Allocated share-based compensation expense	2,172	2,595	2,451
Selling and Marketing Expense [Member]
Allocated share-based compensation expense	3,295	3,736	3,121
Research and Development Expense [Member]
Allocated share-based compensation expense	2,189	2,833	2,440
General and Administrative Expense [Member]
Allocated share-based compensation expense	9,889	9,931	6,661
Stock Options, Restricted Stock, and Other [Member]
Allocated share-based compensation expense	16,103	17,553	13,327
ESPP [Member]
Allocated share-based compensation expense	$ 1,442	$ 1,542	$ 1,346

Note 13 - Stock-based Compens_5

Note 13 - Stock-based Compensation - Assumptions Used in the Black-Scholes Option Pricing Model (Details) - Share-Based Payment Arrangement, Option [Member] - $ / shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Expected life (Year)	6 years 3 months	6 years 3 months	6 years 3 months
Expected dividend yield	0%	0%	0%
Weighted average grant date fair value (in dollars per share)	$ 23.11	$ 128.14	$ 45.32
Minimum [Member]
Risk-free interest rate	1.94%	0.80%	0.50%
Expected volatility	45.95%	45.28%	42.40%
Maximum [Member]
Risk-free interest rate	3.40%	1.12%	1.47%
Expected volatility	46.03%	45.53%	43.83%

Note 13 - Stock-based Compens_6

Note 13 - Stock-based Compensation - Stock Option Activity (Details) - $ / shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Options outstanding (in shares)	233,384	229,531	276,266
Options outstanding, weighted-average exercise price (in dollars per share)	$ 97.78	$ 86.46	$ 72.38
Granted (in shares)	118,434	57,901	60,065
Granted, weighted-average exercise price (in dollars per share)	$ 48.24	$ 128.14	$ 105.79
Exercised (in shares)	(3,114)	(28,991)	(68,958)
Exercised, weighted-average exercise price (in dollars per share)	$ 30.58	$ 58.78	$ 57
Cancelled (in shares)	(84,712)	(25,057)	(37,842)
Cancelled, weighted-average exercise price (in dollars per share)	$ 89.32	$ 109.31	$ 67.92
Options outstanding (in shares)	263,992	233,384	229,531
Options outstanding, weighted-average exercise price (in dollars per share)	$ 79.07	$ 97.78	$ 86.46
Options exercisable (in shares)	102,692
Options exercisable, weighted-average exercise price (in dollars per share)	$ 90.22

Note 13 - Stock-based Compens_7

Note 13 - Stock-based Compensation - Information about Stock Options Outstanding (Details) - $ / shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Options outstanding, vested and expected to vest, number outstanding (in shares)	263,992	233,384	229,531	276,266
Options outstanding, vested and expected to vest, weighted average exercise price (in dollars per share)	$ 79.07	$ 97.78	$ 86.46	$ 72.38
Exercise Price Range One [Member]
Range of exercise prices, lower limit (in dollars per share)	$ 39.11
Options outstanding, vested and expected to vest, number outstanding (in shares)	137,829
Range of exercise prices, upper limit (in dollars per share)	$ 66.87
Options outstanding, vested and expected to vest, weighted average remaining contractual life (Year)	7 years 7 months 17 days
Options outstanding, vested and expected to vest, weighted average exercise price (in dollars per share)	$ 49.84
Options exercisable, number exercisable (in shares)	32,808
Options exercisable, weighted average exercise price (in dollars per share)	$ 56.53
Exercise Price Range Two [Member]
Range of exercise prices, lower limit (in dollars per share)	$ 66.88
Options outstanding, vested and expected to vest, number outstanding (in shares)	37,608
Range of exercise prices, upper limit (in dollars per share)	$ 96.20
Options outstanding, vested and expected to vest, weighted average remaining contractual life (Year)	6 years 8 months 19 days
Options outstanding, vested and expected to vest, weighted average exercise price (in dollars per share)	$ 89.37
Options exercisable, number exercisable (in shares)	17,016
Options exercisable, weighted average exercise price (in dollars per share)	$ 82.08
Exercise Price Range Three [Member]
Range of exercise prices, lower limit (in dollars per share)	$ 96.21
Options outstanding, vested and expected to vest, number outstanding (in shares)	88,555
Range of exercise prices, upper limit (in dollars per share)	$ 180.46
Options outstanding, vested and expected to vest, weighted average remaining contractual life (Year)	6 years 9 months 21 days
Options outstanding, vested and expected to vest, weighted average exercise price (in dollars per share)	$ 120.17
Options exercisable, number exercisable (in shares)	52,868
Options exercisable, weighted average exercise price (in dollars per share)	$ 113.74

Note 13 - Stock-based Compens_8

Note 13 - Stock-based Compensation - Restricted Stock Options (Details) - Restricted Stock [Member] - $ / shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Restricted stock (in shares)	343,782	307,199	314,973
Restricted stock, weighted-average grant date fair value (in dollars per share)	$ 111.79	$ 98.87	$ 89.55
Granted (in shares)	315,432	205,996	108,179
Granted, weighted-average grant date fair value (in dollars per share)	$ 42.03	$ 123.61	$ 111.76
Restrictions lapsed (in shares)	(130,452)	(115,908)	(101,941)
Restrictions lapsed, weighted-average grant date fair value (in dollars per share)	$ 101.32	$ 91.26	$ 84.70
Forfeited (in shares)	(50,166)	(53,505)	(14,012)
Forfeited, weighted-average grant date fair value (in dollars per share)	$ 96.48	$ 128.05	$ 94.24
Restricted stock (in shares)	478,596	343,782	307,199
Restricted stock, weighted-average grant date fair value (in dollars per share)	$ 70.36	$ 111.79	$ 98.87

Note 13 - Stock-based Compens_9

Note 13 - Stock-based Compensation - Performance Stock (Details) - Performance Shares [Member] - $ / shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Performance stock (in shares)	16,839	19,956	9,383
Restricted stock, weighted-average grant date fair value (in dollars per share)	$ 115.56	$ 118.66	$ 58.35
Granted (in shares)	35,697	15,078	19,956
Granted, weighted-average grant date fair value (in dollars per share)	$ 96.71	$ 203.64	$ 118.66
Restrictions lapsed (in shares)	0	0	(7,113)
Restrictions lapsed, weighted-average grant date fair value (in dollars per share)	$ 0	$ 0	$ 58.35
Performance change (in shares)	(13,156)	(10,366)	0
Performance change, weighted-average grant date fair value (in dollars per share)	$ 99.59	$ 192.95	$ 0
Forfeited (in shares)	(3,578)	(7,829)	(2,270)
Forfeited, weighted-average grant date fair value (in dollars per share)	$ 121.79	$ 113.91	$ 58.35
Granted (in shares)	35,697	15,078	19,956
Restrictions lapsed (in shares)	0	0	(7,113)
Performance change, weighted-average grant date fair value (in dollars per share)	$ 99.59	$ 192.95	$ 0
Forfeited (in shares)	(3,578)	(7,829)	(2,270)
Performance stock (in shares)	35,802	16,839	19,956
Restricted stock, weighted-average grant date fair value (in dollars per share)	$ 77.91	$ 115.56	$ 118.66

Note 13 - Stock-based Compen_10

Note 13 - Stock-based Compensation - Assumptions Used in the Valuation of Performance Stock (Details) - Performance Shares [Member]	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Expected life (Year)	6 years	6 years	6 years
Expected dividend yield	0%	0%	0%
Minimum [Member]
Risk-free interest rate	0.17%	0.06%	0.12%
Expected volatility	47.05%	53.44%	50.85%
Maximum [Member]
Risk-free interest rate	4.60%	0.17%	0.17%
Expected volatility	67.84%	65.53%	59.99%

Note 14 - Leases - Balance Shee

Note 14 - Leases - Balance Sheet Information (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Operating lease assets	$ 3,844	$ 5,578
Current operating lease liabilities	1,561	3,298
Long-term operating lease liabilities	2,255	2,245
Total operating lease liabilities	3,816	5,543
Finance lease assets	17,532	1,898
Current finance lease liabilities	17,537	550
Long-term finance lease liabilities	0	1,351
Total finance lease liabilities	$ 17,537	$ 1,901

Note 14 - Leases - Lease Expens

Note 14 - Leases - Lease Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Operating lease cost	$ 3,002	$ 3,391
Amortization of right-of-use assets	532	498
Interest on lease obligations	95	9
Variable lease cost	560	719
Total lease cost	4,189	4,617
Operating cash flows from operating leases	3,778	10,477
Operating cash flows from finance leases	95	9
Financing cash flows from finance leases	531	552	$ 154
Lease assets obtained in exchange for new operating lease liabilities	898	5,293
Lease assets obtained in exchange for new financing lease liabilities	$ 16,167	$ 0

Note 14 - Leases - Maturities o

Note 14 - Leases - Maturities of Operating Lease Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
2023, operating lease	$ 1,584
2023, finance lease	18,489
2024, operating lease	1,088
2024, finance lease	0
2025, operating lease	883
2025, finance lease	0
2026, operating lease	344
2026, finance lease	0
2027, operating lease	0
2027, finance lease	0
After 2028, operating lease	0
After 2028, finance lease	0
Total future minimum lease payments, operating lease	3,899
Total future minimum lease payments, finance lease	18,489
Less interest, operating lease	(83)
Less interest, finance lease	(952)
Present value of lease liabilities, operating lease	3,816	$ 5,543
Present value of lease liabilities, finance lease	$ 17,537	$ 1,901

Note 14 - Leases - Weighted Ave

Note 14 - Leases - Weighted Average Remaining Terms and Discount Rates (Details)	Dec. 31, 2022	Dec. 31, 2021
Weighted Average Remaining Lease Term - operating leases (years) (Year)	2 years 10 months 24 days	3 years 1 month 6 days
Weighted Average Remaining Lease Term - finance leases (years) (Year)	36 years	1 year 6 months
Weighted Average Discount Rate - operating leases	1.60%	1.60%
Weighted Average Discount Rate - finance leases	5.90%	0.40%

Note 15 - Accumulated Other C_3

Note 15 - Accumulated Other Comprehensive Loss - Other Comprehensive Loss (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Balance at beginning of period	$ 828,493	$ 644,356	$ 585,790
Balance at end of period	697,648	828,493	644,356
AOCI Attributable to Parent [Member]
Balance at beginning of period	(16,817)	(3,420)	(7,018)
Balance at end of period	(34,355)	(16,817)	(3,420)
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Other comprehensive (loss) income before reclassifications	(16,278)	(13,278)	3,598
Net current-period other comprehensive (loss) income	(16,278)	(13,278)	3,598
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member]
Other comprehensive (loss) income before reclassifications	(1,260)	(119)	0
Net current-period other comprehensive (loss) income	$ (1,260)	$ (119)	$ 0

Note 16 - Income Taxes (Details

Note 16 - Income Taxes (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Expense (Benefit), Total	$ 5,585	$ 6,812	$ 12,078
Effective Income Tax Rate Reconciliation, Percent, Total	(5.70%)	17%	19.20%
Effective Income Tax Rate Continuing Operations Increase (Decrease) During the Period	(22.70%)
Increase (Decrease) in Income Taxes Payable, CARES Act			$ (2,900)
Deferred Tax Liability Not Recognized, Amount of Unrecognized Deferred Tax Liability, Undistributed Earnings of Foreign Subsidiaries	$ 0
Undistributed Earnings of Foreign Subsidiaries	3,600
Operating Loss Carryforwards	$ 16,600
Operating Loss Carryforwards, Expiration Period (Year)	10 years
Deferred Tax Assets, Valuation Allowance	$ 17,562	$ 13,999
Unrecognized Tax Benefits, Ending Balance	$ 3,236	$ 4,364	$ 4,830
GERMANY
Operating Loss Carryforwards, Percentage of Taxable Income	60%
NETHERLANDS
Operating Loss Carryforwards, Percentage of Taxable Income	50%

Note 16 - Income Taxes - Compon

Note 16 - Income Taxes - Components of Income (Loss) Before Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Domestic	$ 33,731	$ 42,449	$ 58,551
Foreign	(131,608)	(2,265)	4,394
(Loss) income before income taxes	$ (97,877)	$ 40,184	$ 62,945

Note 16 - Income Taxes - Signif

Note 16 - Income Taxes - Significant Components of Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Current:
Federal	$ 15,366	$ 5,552	$ 2,128
State	(393)	975	1,136
Foreign	(99)	(64)	1,241
Deferred
Federal	(9,159)	(377)	6,904
State	(723)	(814)	(431)
Foreign	(4,641)	(1,181)	210
Valuation Allowance	5,234	2,721	890
Total	$ 5,585	$ 6,812	$ 12,078

Note 16 - Income Taxes - Reconc

Note 16 - Income Taxes - Reconciliation of Federal Statutory Income Tax Rate to Effective Tax Rate (Details)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Federal tax statutory rate	21%	21%	21%
State tax (net of federal benefit)	(0.80%)	2.10%	2.10%
Share based compensation	(2.10%)	(2.30%)	(1.30%)
Valuation allowance against deferred tax assets	(5.00%)	8.90%	2%
Goodwill impairment	(24.40%)	0%	0%
Contingent consideration reduction	0%	(7.00%)	0%
Research and development credit	1.20%	(4.00%)	(3.70%)
Foreign rate differential	2.90%	(2.20%)	(0.80%)
Tax reserves	1%	(1.00%)	1.40%
Provision to return difference	0%	(0.70%)	(1.40%)
Miscellaneous	0.50%	2.20%	(0.10%)
Total	(5.70%)	17%	19.20%

Note 16 - Income Taxes - Sign_2

Note 16 - Income Taxes - Significant Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Deferred tax assets:
Accrued expenses	$ 2,254	$ 2,511
Section 174 expenses	8,119	0
Leases	4,822	1,830
Warrants and stock options	4,087	4,271
Inventories	198	205
Research and development credit	2,374	2,126
Other assets	838	1,111
Net operating loss	16,586	14,046
Less valuation allowance	(17,562)	(13,999)
Total deferred tax assets	21,716	12,101
Deferred tax liabilities:
Depreciation	(29,397)	(31,897)
Goodwill	(10,716)	(9,872)
Intangible assets	(3,103)	(4,394)
Leases	(4,822)	(1,830)
Total deferred tax liabilities	(48,038)	(47,993)
Net deferred tax liability	$ (26,322)	$ (35,892)

Note 16 - Income Taxes - Reco_2

Note 16 - Income Taxes - Reconciliation of Beginning and Ending Amount of Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Balance	$ 4,364	$ 4,830
Additions for tax positions of current year	634	491
Additions for tax positions of prior years	23	781
Decrease related to the expiration of statutes of limitations	0	(1,738)
Reduction for tax positions of prior years	(1,785)	0
Balance	$ 3,236	$ 4,364

Note 18 - Segment Reporting - R

Note 18 - Segment Reporting - Revenue From Operations by Reportable Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenue	$ 488,398	$ 488,098	$ 434,395
Operating Segments [Member]
Revenue	488,398	488,098	434,395
Operating Segments [Member] | United States Segment [Member]
Revenue	387,399	384,458	345,708
Operating Segments [Member] | Europe Segment [Member]
Revenue	92,770	90,399	74,796
Operating Segments [Member] | Japan Segment [Member]
Revenue	$ 8,229	$ 13,241	$ 13,891

Note 18 - Segment Reporting - I

Note 18 - Segment Reporting - Income From Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income from operations	$ (97,983)	$ 40,342	$ 59,836
Operating Segments [Member] | United States Segment [Member]
Income from operations	93,176	98,001	98,762
Operating Segments [Member] | Europe Segment [Member]
Income from operations	(130,386)	730	11,707
Operating Segments [Member] | Corporate Unallocated and Japan Segment[Member]
Income from operations	$ (60,773)	$ (58,389)	$ (50,633)

Note 18 - Segment Reporting - L

Note 18 - Segment Reporting - Long-lived Assets by Geographic Region (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Long-lived assets	$ 257,785	$ 280,346	$ 282,666
Operating Segments [Member] | United States Segment [Member]
Long-lived assets	203,816	215,701	215,721
Operating Segments [Member] | Europe Segment [Member]
Long-lived assets	53,835	59,388	59,388
Operating Segments [Member] | Japan Segment [Member]
Long-lived assets	$ 134	$ 5,257	$ 7,557

Note 18 - Segment Reporting - E

Note 18 - Segment Reporting - Expenditures for Additions to Long-lived Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Expenditures for additions to long-lived assets	$ 21,686	$ 34,209	$ 47,010
UNITED STATES
Expenditures for additions to long-lived assets	17,538	26,698	29,984
Europe [Member]
Expenditures for additions to long-lived assets	4,137	7,378	16,574
JAPAN
Expenditures for additions to long-lived assets	$ 11	$ 133	$ 452

Note 18 - Segment Reporting - D

Note 18 - Segment Reporting - Depreciation and Amortization (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Depreciation and amortization	$ 39,425	$ 40,488	$ 32,594
UNITED STATES
Depreciation and amortization	31,666	31,642	25,744
Europe [Member]
Depreciation and amortization	6,770	7,101	5,024
JAPAN
Depreciation and amortization	$ 989	$ 1,745	$ 1,826