Proto Labs (PRLB) 10-Q 6 May 22 2022 Q1 Quarterly report Financial data

Document And Entity Information

Document And Entity Information - shares	3 Months Ended
	Mar. 31, 2022	May 02, 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	Q1
Document Fiscal Year Focus	2022
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 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 Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		27,496,142

Consolidated Balance Sheets (Cu

Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets
Cash and cash equivalents	$ 57,239	$ 65,929
Short-term marketable securities	19,914	11,580
Accounts receivable, net of allowance for doubtful accounts of $1,998 and $1,948 as of March 31, 2022 and December 31, 2021, respectively	85,960	80,051
Inventory	14,227	13,161
Income taxes receivable	687	1,321
Prepaid expenses and other current assets	10,185	11,450
Total current assets	188,212	183,492
Property and equipment, net	270,946	280,346
Goodwill	398,319	400,610
Other intangible assets, net	36,234	37,998
Long-term marketable securities	28,196	14,340
Operating lease assets	4,800	5,578
Finance lease assets	1,773	1,898
Long-term assets held for sale	1,985	0
Other long-term assets	4,286	4,320
Total assets	934,751	928,582
Current liabilities
Accounts payable	17,511	25,364
Accrued compensation	13,094	13,704
Accrued liabilities and other	23,030	11,980
Current operating lease liabilities	2,253	3,298
Current finance lease liabilities	493	550
Income taxes payable	3,870	0
Total current liabilities	60,251	54,896
Long-term operating lease liabilities	2,514	2,245
Long-term finance lease liabilities	1,269	1,351
Long-term deferred tax liabilities	32,661	35,892
Other long-term liabilities	6,021	5,705
Total liabilities	102,716	100,089
Shareholders' equity
Preferred stock, $0.001 par value, authorized 10,000,000 shares; issued and outstanding 0 shares as of each of March 31, 2022 and December 31, 2021	0	0
Common stock, $0.001 par value, authorized 150,000,000 shares; issued and outstanding 27,493,661 and 27,465,945 shares as of March 31, 2022 and December 31, 2021, respectively	28	28
Additional paid-in capital	472,483	468,548
Retained earnings	381,829	376,734
Accumulated other comprehensive loss	(22,305)	(16,817)
Total shareholders' equity	832,035	828,493
Total liabilities and shareholders' equity	$ 934,751	$ 928,582

Consolidated Balance Sheets (_2

Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Allowance for doubtful accounts	$ 1,998	$ 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)	27,493,661	27,465,945
Common stock, shares outstanding (in shares)	27,493,661	27,465,945

Consolidated Statements of Comp

Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Statements of Operations:
Revenue	$ 124,168	$ 116,126
Cost of revenue	68,364	60,796
Gross profit	55,804	55,330
Operating expenses
Marketing and sales	20,586	19,480
Research and development	10,557	12,181
General and administrative	16,771	19,408
Total operating expenses	47,914	51,069
Income from operations	7,890	4,261
Other loss, net	(300)	(313)
Income before income taxes	7,590	3,948
Provision for income taxes	2,495	236
Net income	$ 5,095	$ 3,712
Net income per share:
Basic (in dollars per share)	$ 0.19	$ 0.14
Diluted (in dollars per share)	$ 0.19	$ 0.13
Shares used to compute net income per share:
Basic (in shares)	27,502,941	27,464,136
Diluted (in shares)	27,510,477	27,698,195
Comprehensive Loss (net of tax)
Comprehensive loss	$ (393)	$ (2,964)

Consolidated Statements of Shar

Consolidated Statements of Shareholders' Equity (Unaudited) - 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, 2020	26,776,796
Balance 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)	48,955
Common shares issued on exercise of options and other, net of shares withheld for tax obligations		(290)			(290)
Stock-based compensation expense		5,620			5,620
Repurchases of common stock (in shares)	0
Net income			3,712		3,712
Foreign currency translation adjustment				(6,842)	(6,842)
Net unrealized gains (losses) on investments in securities				166	166
Comprehensive loss					(2,964)
Common shares issued for Hubs acquisition (in shares)	863,995
Common shares issued for Hubs acquisition	$ 1	166,708	0		166,709
Balance (in shares) at Mar. 31, 2021	27,689,746
Balance at Mar. 31, 2021	$ 28	456,886	366,613	(10,096)	$ 813,431
Balance (in shares) at Dec. 31, 2021	27,465,945				27,465,945
Balance 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)	27,716
Common shares issued on exercise of options and other, net of shares withheld for tax obligations		(462)			(462)
Stock-based compensation expense		4,397			4,397
Repurchases of common stock (in shares)	0
Net income			5,095		5,095
Foreign currency translation adjustment				(4,972)	(4,972)
Net unrealized gains (losses) on investments in securities				(516)	(516)
Comprehensive loss					$ (393)
Balance (in shares) at Mar. 31, 2022	27,493,661				27,493,661
Balance at Mar. 31, 2022	$ 28	$ 472,483	$ 381,829	$ (22,305)	$ 832,035

Consolidated Statements of Cash

Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Operating activities
Net income	$ 5,095	$ 3,712
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	10,232	10,059
Stock-based compensation expense	4,397	5,620
Deferred taxes	(3,213)	(69)
Other	79	126
Changes in operating assets and liabilities:
Accounts receivable	(6,329)	(14,558)
Inventories	(675)	917
Prepaid expenses and other	1,110	2,696
Income taxes	4,519	(183)
Accounts payable	(326)	669
Accrued liabilities and other	2,894	(2,564)
Net cash provided by operating activities	17,783	6,425
Investing activities
Purchases of property, equipment and other capital assets	(3,069)	(6,546)
Cash used for acquisitions, net of cash acquired	0	(127,709)
Purchases of marketable securities	(29,366)	(8,227)
Proceeds from sales of marketable securities	0	45,194
Proceeds from call redemptions and maturities of marketable securities	6,600	7,155
Net cash used in investing activities	(25,835)	(90,133)
Financing activities
Proceeds from exercises of stock options	6	1,704
Purchases of shares withheld for tax obligations	(468)	(1,994)
Principal repayments of finance lease obligations	(139)	(137)
Net cash used in financing activities	(601)	(427)
Effect of exchange rate changes on cash and cash equivalents	(37)	306
Net decrease in cash and cash equivalents	(8,690)	(83,829)
Cash and cash equivalents, beginning of period	65,929	127,603	$ 127,603
Cash and cash equivalents, end of period	$ 57,239	$ 43,774	$ 65,929

Note 1 - Basis of Presentation

Note 1 - Basis of Presentation	3 Months Ended
	Mar. 31, 2022
Notes to Financial Statements
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]	Note 1 The unaudited interim Consolidated Financial Statements of Proto Labs, Inc. (Protolabs, the Company, we, us or our) have been prepared in accordance with accounting principles generally accepted in the United States of America (U.S. GAAP) for interim financial information and with the instructions to Form 10 10 X. not may The preparation of the financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues, expenses, and the related disclosures at the date of the financial statements and during the reporting period. Actual results could materially differ from these estimates. For further information, refer to the audited Consolidated Financial Statements and Notes thereto included in the Company’s Annual Report on Form 10 December 31, 2021 February 18, 2022. The accompanying Consolidated Balance Sheet as of December 31, 2021 not 10 10 February 18, 2022

Note 2 - Recent Accounting Pron

Note 2 - Recent Accounting Pronouncements	3 Months Ended
	Mar. 31, 2022
Notes to Financial Statements
Significant Accounting Policies [Text Block]	Note 2 The Company did not

Note 3 - Net Income Per Common

Note 3 - Net Income Per Common Share	3 Months Ended
	Mar. 31, 2022
Notes to Financial Statements
Earnings Per Share [Text Block]	Note 3 Basic net income per share is computed based on the weighted-average number of common shares outstanding. Diluted net 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 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. Performance stock units are excluded from the calculation of dilutive potential common shares until the performance conditions have been satisfied. For the three March 31, 2022, The table below sets forth the computation of basic and diluted net income per share: Three Months Ended March 31, (in thousands, except share and per share amounts) 2022 2021 Net income $ 5,095 $ 3,712 Basic - weighted-average shares outstanding: 27,502,941 27,464,136 Effect of dilutive securities: Employee stock options and other 7,536 234,059 Diluted - weighted-average shares outstanding: 27,510,477 27,698,195 Net income per share: Basic $ 0.19 $ 0.14 Diluted $ 0.19 $ 0.13

Note 4 - Business Combinations

Note 4 - Business Combinations	3 Months Ended
	Mar. 31, 2022
Notes to Financial Statements
Business Combination Disclosure [Text Block]	Note 4 On January 22, 2021, 3D 2021 2022. not 2021 not 2022. 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 The acquisition has been accounted for under the acquisition method of accounting in accordance with ASC 805, Business Combinations (in thousands) Acquisition 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 5 - Goodwill and Other Int

Note 5 - Goodwill and Other Intangible Assets	3 Months Ended
	Mar. 31, 2022
Notes to Financial Statements
Goodwill and Intangible Assets Disclosure [Text Block]	Note 5 The changes in the carrying amount of goodwill during the three March 31, 2022 (in thousands) Three Months Ended March 31, 2022 Balance as of the beginning of the period $ 400,610 Goodwill acquired during the period - Foreign currency translation adjustments (2,291 ) Balance as of the end of the period $ 398,319 Goodwill has been allocated to the acquired Hubs entities consisting of goodwill of €106.5 Intangible assets other than goodwill at March 31, 2022 December 31, 2021 March 31, 2022 December 31, 2021 Useful Weighted Average (in thousands) Gross Accumulated Amortization Net Gross Accumulated Amortization Net Life (in years) Useful Life Remaining (in years) Intangible assets with finite lives: Marketing assets $ 930 $ (736 ) $ 194 $ 930 $ (713 ) $ 217 10.0 2.0 Non-compete agreement 836 (393 ) 443 842 (363 ) 479 2.0 - 5.0 2.7 Software technology 13,229 (5,356 ) 7,873 13,229 (5,014 ) 8,215 10.0 6.3 Software platform 26,432 (2,724 ) 23,708 26,725 (2,262 ) 24,463 12.0 10.8 Tradenames 355 (142 ) 213 359 (114 ) 245 3.0 1.8 Customer relationships 12,228 (8,425 ) 3,803 12,252 (7,873 ) 4,379 3.0 - 9.0 1.6 Total intangible assets $ 54,010 $ (17,776 ) $ 36,234 $ 54,337 $ (16,339 ) $ 37,998 Intangible assets have been allocated to the acquired Hubs entities consisting of intangible assets of €11.6 March 31, 2022 December 31, 2021, three March 31, 2022 2021 Estimated aggregated amortization expense based on the current carrying value of the amortizable intangible assets and current exchange rates is as follows: (in thousands) Estimated Amortization Expense Remaining 2022 $ 4,608 2023 5,940 2024 3,770 2025 3,670 2026 3,567 Thereafter 14,679 Total estimated amortization expense $ 36,234

Note 6 - Assets Held for Sale

Note 6 - Assets Held for Sale	3 Months Ended
	Mar. 31, 2022
Notes to Financial Statements
Disclosure of Assets Held-for-sale [Text Block]	Note 6 Assets Held for Sale Assets are classified as held for sale and presented separately on the Consolidated Balance Sheet when all of the following criteria for a plan of sale have been met: ( 1 2 3 4 one 5 6 During the first 2022, March 31, 2022 no three March 31, 2022. 2022.

Note 7 - Fair Value Measurement

Note 7 - Fair Value Measurements	3 Months Ended
	Mar. 31, 2022
Notes to Financial Statements
Fair Value Disclosures [Text Block]	Note 7 Accounting Standards Codification, 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 table summarizes financial assets as of March 31, 2022 December 31, 2021 March 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 $ 49,569 $ - $ - $ 65,637 $ - $ - Money market mutual fund 7,670 - - 292 - - Marketable securities 22,251 25,859 - 7,602 18,318 - Total $ 79,490 $ 25,859 $ - $ 73,531 $ 18,318 $ -

Note 8 - Marketable Securities

Note 8 - Marketable Securities	3 Months Ended
	Mar. 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. The securities are categorized as available-for-sale and are recorded at fair value. The following table summarizes information regarding the Company’s short-term and long-term marketable securities as of March 31, 2022 December 31, 2021 March 31, 2022 (in thousands) Cost Unrealized Gains Unrealized Losses Fair Value U.S. municipal securities $ 14,889 $ - $ (264 ) $ 14,625 Corporate debt securities 12,144 - (180 ) 11,964 U.S. government agency securities 17,288 - (188 ) 17,100 Certificates of deposit/time deposits 1,438 2 (2 ) 1,438 Commercial paper 2,987 - (4 ) 2,983 Total marketable securities $ 48,746 $ 2 $ (638 ) $ 48,110 December 31, 2021 (in thousands) Cost Unrealized Gains Unrealized Losses Fair Value U.S. municipal securities $ 12,549 $ - $ (70 ) $ 12,479 Corporate debt securities 9,303 - (44 ) 9,259 U.S. government agency securities 2,500 - (12 ) 2,488 Certificates of deposit/time deposits 1,687 7 - 1,694 Commercial paper - - - - 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 March 31, 2022 may may March 31, (in thousands) 2022 Due in one year or less $ 19,914 Due after one year through five years 28,196 Total marketable securities $ 48,110

Note 9 - Inventory

Note 9 - Inventory	3 Months Ended
	Mar. 31, 2022
Notes to Financial Statements
Inventory Disclosure [Text Block]	Note 9 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 consisted of the following as of the dates indicated: March 31, December 31, (in thousands) 2022 2021 Total inventory $ 14,994 $ 13,474 Allowance for obsolescence (767 ) (313 ) Inventory, net of allowance $ 14,227 $ 13,161

Note 10 - Stock-based Compensat

Note 10 - Stock-based Compensation	3 Months Ended
	Mar. 31, 2022
Notes to Financial Statements
Share-Based Payment Arrangement [Text Block]	Note 10 Under the Company’s 2012 2012 2012 ten may 2012 may not Employee Stock Purchase Plan The Company’s 2012 six May 15 November 15, first Stock-Based Compensation Expense Stock-based compensation expense was $4.4 million and $5.6 million for the three March 31, 2022 2021 Stock Options The following table summarizes stock option activity during the three March 31, 2022 Weighted- Average Stock Options Exercise Price Options outstanding at December 31, 2021 233,384 $ 97.78 Granted 52,992 59.40 Exercised (201 ) 30.58 Forfeited (21,287 ) 86.55 Options outstanding at March 31, 2022 264,888 $ 91.06 Exercisable at March 31, 2022 126,595 $ 87.42 The outstanding options generally have a term of ten four five first first The weighted-average grant date fair value of options that were granted during the three March 31, 2022 The following table provides the assumptions used in the Black-Scholes pricing model valuation of options during the three March 31, 2022 2021 Three Months Ended March 31, 2022 2021 Risk-free interest rate 1.94% 0.80% - 0.96% Expected life (years) 6.25 6.25 Expected volatility 45.95% 45.28 - 45.35% Expected dividend yield 0% 0% As of March 31, 2022 Restricted Stock Restricted stock awards are share-settled awards and restrictions lapse ratably over the vesting period, which is generally a period from three five first first The following table summarizes restricted stock activity during the three March 31, 2022 Weighted- Average Grant Date Restricted Fair Value Stock Per Share Restricted stock at December 31, 2021 343,782 $ 111.79 Granted 44,782 59.40 Restrictions lapsed (35,207 ) 123.15 Forfeited (11,068 ) 109.73 Restricted stock at March 31, 2022 342,289 $ 103.84 As of March 31, 2022 Performance Stock Performance stock units (PSUs) are expressed in terms of a target number of PSUs, with anywhere between 0 three 2017 2019 2021 2020 2022 2021 The following table summarizes performance stock activity during the three March 31, 2022 Weighted- Average Grant Date Performance Fair Value Stock Per Share Performance stock at December 31, 2021 16,839 $ 115.56 Granted 32,620 100.33 Restrictions lapsed - - Performance change - - Forfeited - - Performance stock at March 31, 2022 49,459 $ 105.52 The following table provides the assumptions used in the Monte Carlo pricing model valuation of PSUs during the three March 31, 2022 2021 Three Months Ended March 31, 2022 2021 Risk-free interest rate 1.76% 0.22% Expected life (years) 2.87 2.87 Expected volatility 53.50% 51.40% Expected dividend yield 0% 0% As of March 31, 2022 Employee Stock Purchase Plan The following table presents the assumptions used to estimate the fair value of the ESPP during the three March 31, 2022 2021 Three Months Ended March 31, 2022 2021 Risk-free interest rate 0.17% 0.12% Expected life (months) 6.00 6.00 Expected volatility 53.44% 50.85% Expected dividend yield 0% 0%

Note 11 - Accumulated Other Com

Note 11 - Accumulated Other Comprehensive Income (Loss)	3 Months Ended
	Mar. 31, 2022
Notes to Financial Statements
Disclosure of Reclassification Amount [Text Block]	Note 11 Other comprehensive income (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 income (loss) balances during the three March 31, 2022 2021 Three Months Ended March 31, (in thousands) 2022 2021 Balance at beginning of period $ (16,817 ) $ (3,420 ) Foreign currency translation adjustments Other comprehensive income (loss) before reclassifications (4,972 ) (6,842 ) Amounts reclassified from accumulated other comprehensive loss - - Net current-period other comprehensive income (loss) (4,972 ) (6,842 ) Net unrealized gains (losses) on investments in securities Other comprehensive income (loss) before reclassifications (516 ) 166 Amounts reclassified from accumulated other comprehensive loss - - Net current-period other comprehensive income (loss) (516 ) 166 Balance at end of period $ (22,305 ) $ (10,096 )

Note 12 - Income Taxes

Note 12 - Income Taxes	3 Months Ended
	Mar. 31, 2022
Notes to Financial Statements
Income Tax Disclosure [Text Block]	Note 12 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 three March 31, 2022 2021 three March 31, 2022 three March 31, 2022 2021 The effective income tax rate for the three March 31, 2022 The Company had unrecognized tax benefits totaling $4.6 million as of March 31, 2022 December 31, 2021

Note 13 - Segment Reporting

Note 13 - Segment Reporting	3 Months Ended
	Mar. 31, 2022
Notes to Financial Statements
Segment Reporting Disclosure [Text Block]	Note 13 The Company’s reportable segments are based on the internal reporting used by the Company’s Chief Executive Officer, who is the chief operating decision maker (CODM), to assess operating performance and make decisions about the allocation of resources. The Corporate Unallocated and Japan category includes non-reportable segments, as well as research and development and general and administrative costs that the Company does not Intercompany transactions primarily relate to intercontinental activity and have been eliminated and are excluded from the reported amounts. The difference between income from operations and pre-tax income relates to foreign currency-related gains and losses and interest income on cash balances and investments, which are not Revenue and income from operations by reportable segment for the three March 31, 2022 2021 Three Months Ended March 31, (in thousands) 2022 2021 Revenue: United States $ 95,496 $ 91,053 Europe 24,586 21,449 Japan 4,086 3,624 Total revenue $ 124,168 $ 116,126 Three Months Ended March 31, (in thousands) 2022 2021 Income (Loss) from Operations: United States $ 22,524 $ 22,503 Europe (1,679 ) (1,371 ) Corporate Unallocated and Japan (12,955 ) (16,871 ) Total Income from Operations $ 7,890 $ 4,261 Total long-lived assets at March 31, 2022 December 31, 2021 March 31, December 31, (in thousands) 2022 2021 Total long-lived assets: United States $ 209,416 $ 215,701 Europe 56,925 59,388 Japan 4,605 5,257 Total Long-lived Assets $ 270,946 $ 280,346 Revenue by product line for the three March 31, 2022 2021 Three Months Ended March 31, (in thousands) 2022 2021 Revenue: Injection Molding $ 53,398 $ 56,359 CNC Machining 46,098 36,703 3D Printing 19,672 17,235 Sheet Metal 4,687 5,219 Other Revenue 313 610 Total revenue $ 124,168 $ 116,126

Note 3 - Net Income Per Commo_2

Note 3 - Net Income Per Common Share (Tables)	3 Months Ended
	Mar. 31, 2022
Notes Tables
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]	Three Months Ended March 31, (in thousands, except share and per share amounts) 2022 2021 Net income $ 5,095 $ 3,712 Basic - weighted-average shares outstanding: 27,502,941 27,464,136 Effect of dilutive securities: Employee stock options and other 7,536 234,059 Diluted - weighted-average shares outstanding: 27,510,477 27,698,195 Net income per share: Basic $ 0.19 $ 0.14 Diluted $ 0.19 $ 0.13

Note 4 - Business Combinations

Note 4 - Business Combinations (Tables)	3 Months Ended
	Mar. 31, 2022
Acquired 3D Hubs [Member]
Notes Tables
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]	(in thousands) Acquisition 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 5 - Goodwill and Other I_2

Note 5 - Goodwill and Other Intangible Assets (Tables)	3 Months Ended
	Mar. 31, 2022
Notes Tables
Schedule of Goodwill [Table Text Block]	(in thousands) Three Months Ended March 31, 2022 Balance as of the beginning of the period $ 400,610 Goodwill acquired during the period - Foreign currency translation adjustments (2,291 ) Balance as of the end of the period $ 398,319
Schedule of Finite-Lived Intangible Assets [Table Text Block]	March 31, 2022 December 31, 2021 Useful Weighted Average (in thousands) Gross Accumulated Amortization Net Gross Accumulated Amortization Net Life (in years) Useful Life Remaining (in years) Intangible assets with finite lives: Marketing assets $ 930 $ (736 ) $ 194 $ 930 $ (713 ) $ 217 10.0 2.0 Non-compete agreement 836 (393 ) 443 842 (363 ) 479 2.0 - 5.0 2.7 Software technology 13,229 (5,356 ) 7,873 13,229 (5,014 ) 8,215 10.0 6.3 Software platform 26,432 (2,724 ) 23,708 26,725 (2,262 ) 24,463 12.0 10.8 Tradenames 355 (142 ) 213 359 (114 ) 245 3.0 1.8 Customer relationships 12,228 (8,425 ) 3,803 12,252 (7,873 ) 4,379 3.0 - 9.0 1.6 Total intangible assets $ 54,010 $ (17,776 ) $ 36,234 $ 54,337 $ (16,339 ) $ 37,998
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]	(in thousands) Estimated Amortization Expense Remaining 2022 $ 4,608 2023 5,940 2024 3,770 2025 3,670 2026 3,567 Thereafter 14,679 Total estimated amortization expense $ 36,234

Note 7 - Fair Value Measureme_2

Note 7 - Fair Value Measurements (Tables)	3 Months Ended
	Mar. 31, 2022
Notes Tables
Fair Value, Assets Measured on Recurring Basis [Table Text Block]	March 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 $ 49,569 $ - $ - $ 65,637 $ - $ - Money market mutual fund 7,670 - - 292 - - Marketable securities 22,251 25,859 - 7,602 18,318 - Total $ 79,490 $ 25,859 $ - $ 73,531 $ 18,318 $ -

Note 8 - Marketable Securities

Note 8 - Marketable Securities (Tables)	3 Months Ended
	Mar. 31, 2022
Notes Tables
Debt Securities, Available-for-Sale [Table Text Block]	March 31, 2022 (in thousands) Cost Unrealized Gains Unrealized Losses Fair Value U.S. municipal securities $ 14,889 $ - $ (264 ) $ 14,625 Corporate debt securities 12,144 - (180 ) 11,964 U.S. government agency securities 17,288 - (188 ) 17,100 Certificates of deposit/time deposits 1,438 2 (2 ) 1,438 Commercial paper 2,987 - (4 ) 2,983 Total marketable securities $ 48,746 $ 2 $ (638 ) $ 48,110 December 31, 2021 (in thousands) Cost Unrealized Gains Unrealized Losses Fair Value U.S. municipal securities $ 12,549 $ - $ (70 ) $ 12,479 Corporate debt securities 9,303 - (44 ) 9,259 U.S. government agency securities 2,500 - (12 ) 2,488 Certificates of deposit/time deposits 1,687 7 - 1,694 Commercial paper - - - - Total marketable securities $ 26,039 $ 7 $ (126 ) $ 25,920
Investments Classified by Contractual Maturity Date [Table Text Block]	March 31, (in thousands) 2022 Due in one year or less $ 19,914 Due after one year through five years 28,196 Total marketable securities $ 48,110

Note 9 - Inventory (Tables)

Note 9 - Inventory (Tables)	3 Months Ended
	Mar. 31, 2022
Notes Tables
Schedule of Inventory, Current [Table Text Block]	March 31, December 31, (in thousands) 2022 2021 Total inventory $ 14,994 $ 13,474 Allowance for obsolescence (767 ) (313 ) Inventory, net of allowance $ 14,227 $ 13,161

Note 10 - Stock-based Compens_2

Note 10 - Stock-based Compensation (Tables)	3 Months Ended
	Mar. 31, 2022
Notes Tables
Share-Based Payment Arrangement, Option, Activity [Table Text Block]	Weighted- Average Stock Options Exercise Price Options outstanding at December 31, 2021 233,384 $ 97.78 Granted 52,992 59.40 Exercised (201 ) 30.58 Forfeited (21,287 ) 86.55 Options outstanding at March 31, 2022 264,888 $ 91.06 Exercisable at March 31, 2022 126,595 $ 87.42
Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]	Three Months Ended March 31, 2022 2021 Risk-free interest rate 1.94% 0.80% - 0.96% Expected life (years) 6.25 6.25 Expected volatility 45.95% 45.28 - 45.35% Expected dividend yield 0% 0%
Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]	Weighted- Average Grant Date Restricted Fair Value Stock Per Share Restricted stock at December 31, 2021 343,782 $ 111.79 Granted 44,782 59.40 Restrictions lapsed (35,207 ) 123.15 Forfeited (11,068 ) 109.73 Restricted stock at March 31, 2022 342,289 $ 103.84
Schedule of Nonvested Performance-Based Units Activity [Table Text Block]	Weighted- Average Grant Date Performance Fair Value Stock Per Share Performance stock at December 31, 2021 16,839 $ 115.56 Granted 32,620 100.33 Restrictions lapsed - - Performance change - - Forfeited - - Performance stock at March 31, 2022 49,459 $ 105.52
Schedule of Share-based Payment Award, Awards Other Than Stock Options, Valuation Assumptions [Table Text Block]	Three Months Ended March 31, 2022 2021 Risk-free interest rate 1.76% 0.22% Expected life (years) 2.87 2.87 Expected volatility 53.50% 51.40% Expected dividend yield 0% 0%
Schedule of Share-Based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block]	Three Months Ended March 31, 2022 2021 Risk-free interest rate 0.17% 0.12% Expected life (months) 6.00 6.00 Expected volatility 53.44% 50.85% Expected dividend yield 0% 0%

Note 11 - Accumulated Other C_2

Note 11 - Accumulated Other Comprehensive Income (Loss) (Tables)	3 Months Ended
	Mar. 31, 2022
Notes Tables
Comprehensive Income (Loss) [Table Text Block]	Three Months Ended March 31, (in thousands) 2022 2021 Balance at beginning of period $ (16,817 ) $ (3,420 ) Foreign currency translation adjustments Other comprehensive income (loss) before reclassifications (4,972 ) (6,842 ) Amounts reclassified from accumulated other comprehensive loss - - Net current-period other comprehensive income (loss) (4,972 ) (6,842 ) Net unrealized gains (losses) on investments in securities Other comprehensive income (loss) before reclassifications (516 ) 166 Amounts reclassified from accumulated other comprehensive loss - - Net current-period other comprehensive income (loss) (516 ) 166 Balance at end of period $ (22,305 ) $ (10,096 )

Note 13 - Segment Reporting (Ta

Note 13 - Segment Reporting (Tables)	3 Months Ended
	Mar. 31, 2022
Notes Tables
Income from Operations by Geographic Area [Table Text Block]	Three Months Ended March 31, (in thousands) 2022 2021 Income (Loss) from Operations: United States $ 22,524 $ 22,503 Europe (1,679 ) (1,371 ) Corporate Unallocated and Japan (12,955 ) (16,871 ) Total Income from Operations $ 7,890 $ 4,261
Long-Lived Assets by Geographic Areas [Table Text Block]	March 31, December 31, (in thousands) 2022 2021 Total long-lived assets: United States $ 209,416 $ 215,701 Europe 56,925 59,388 Japan 4,605 5,257 Total Long-lived Assets $ 270,946 $ 280,346
Disaggregation of Revenue [Table Text Block]	Three Months Ended March 31, (in thousands) 2022 2021 Revenue: Injection Molding $ 53,398 $ 56,359 CNC Machining 46,098 36,703 3D Printing 19,672 17,235 Sheet Metal 4,687 5,219 Other Revenue 313 610 Total revenue $ 124,168 $ 116,126
Operating Segments [Member]
Notes Tables
Revenue from External Customers by Geographic Areas [Table Text Block]	Three Months Ended March 31, (in thousands) 2022 2021 Revenue: United States $ 95,496 $ 91,053 Europe 24,586 21,449 Japan 4,086 3,624 Total revenue $ 124,168 $ 116,126

Note 3 - Net Income Per Commo_3

Note 3 - Net Income Per Common Share (Details Textual)	3 Months Ended
	Mar. 31, 2022shares
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	233,380

Note 3 - Net Income Per Commo_4

Note 3 - Net Income Per Common Share - Computation of Basic and Diluted Net Income Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Net income	$ 5,095	$ 3,712
Basic - weighted-average shares outstanding: (in shares)	27,502,941	27,464,136
Employee stock options and other (in shares)	7,536	234,059
Diluted - weighted-average shares outstanding: (in shares)	27,510,477	27,698,195
Basic (in dollars per share)	$ 0.19	$ 0.14
Diluted (in dollars per share)	$ 0.19	$ 0.13

Note 4 - Business Combination_2

Note 4 - Business Combinations (Details Textual) - USD ($) $ in Thousands	Jan. 22, 2021	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021	Dec. 31, 2021
Payments to Acquire Businesses, Net of Cash Acquired, Total		$ 0	$ 127,709
Acquired 3D Hubs [Member]
Business Combination, Consideration Transferred, Total	$ 294,100				$ 294,122
Payments to Acquire Businesses, Net of Cash Acquired, Total	$ 127,400				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	$ 166,700				166,709
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High	52,800
Payments to Acquire Businesses, Gross					$ 133,847
Business Combination, Contingent Consideration, Liability, Total	$ 13,600
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 4 - Business Combination_3

Note 4 - Business Combinations - Allocation of Purchase Price for the Acquisition of Rapid (Details) - USD ($) $ in Thousands	Jan. 22, 2021	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Assets acquired:
Goodwill		$ 398,319		$ 400,610
Liabilities assumed:
Net cash consideration		$ 0	$ 127,709
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	$ 127,400			127,413
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable	166,700			166,709
Total purchase consideration	$ 294,100			$ 294,122

Note 5 - Goodwill and Other I_3

Note 5 - Goodwill and Other Intangible Assets (Details Textual) $ in Thousands, € in Millions	Jan. 22, 2021USD ($)	Jan. 22, 2021EUR (€)	Mar. 31, 2022USD ($)	Mar. 31, 2021USD ($)	Dec. 31, 2021USD ($)
Goodwill, Acquired During Period			$ 0
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax, Total			1,200		$ 900
Amortization of Intangible Assets			$ 1,500	$ 1,500
Acquired 3D Hubs [Member] | Europe [Member]
Goodwill, Acquired During Period | €		€ 106.5
Acquired 3D Hubs [Member] | UNITED STATES
Goodwill, Acquired During Period	$ 151,300
Finite-Lived Intangible Assets Acquired	$ 16,600	€ 11.6

Note 5 - Goodwill and Other I_4

Note 5 - Goodwill and Other Intangible Assets - Changes in the Carrying Amount of Goodwill (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2022USD ($)
Goodwill	$ 400,610
Goodwill acquired during the period	0
Foreign currency translation adjustments	(2,291)
Goodwill	$ 398,319

Note 5 - Goodwill and Other I_5

Note 5 - Goodwill and Other Intangible Assets - Intangible Assets Other Than Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Gross	$ 54,010	$ 54,337
Accumulated Amortization	(17,776)	(16,339)
Net	36,234	37,998
Marketing-Related Intangible Assets [Member]
Gross	930	930
Accumulated Amortization	(736)	(713)
Net	$ 194	217
Useful Life (Year)	10 years
Weighted average useful life remaining (Year)	2 years
Noncompete Agreements [Member]
Gross	$ 836	842
Accumulated Amortization	(393)	(363)
Net	$ 443	479
Weighted average useful life remaining (Year)	2 years 8 months 12 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	(5,356)	(5,014)
Net	$ 7,873	8,215
Useful Life (Year)	10 years
Weighted average useful life remaining (Year)	6 years 3 months 18 days
Software Platform [Member]
Gross	$ 26,432	26,725
Accumulated Amortization	(2,724)	(2,262)
Net	$ 23,708	24,463
Useful Life (Year)	12 years
Weighted average useful life remaining (Year)	10 years 9 months 18 days
Trade Names [Member]
Gross	$ 355	359
Accumulated Amortization	(142)	(114)
Net	$ 213	245
Useful Life (Year)	3 years
Weighted average useful life remaining (Year)	1 year 9 months 18 days
Customer Relationships [Member]
Gross	$ 12,228	12,252
Accumulated Amortization	(8,425)	(7,873)
Net	$ 3,803	$ 4,379
Weighted average useful life remaining (Year)	1 year 7 months 6 days
Customer Relationships [Member] | Minimum [Member]
Useful Life (Year)	3 years
Customer Relationships [Member] | Maximum [Member]
Useful Life (Year)	9 years

Note 5 - Goodwill and Other I_6

Note 5 - Goodwill and Other Intangible Assets - Estimated Aggregated Amortization Expense (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Remaining 2022	$ 4,608
2023	5,940
2024	3,770
2025	3,670
2026	3,567
Thereafter	14,679
Total estimated amortization expense	$ 36,234	$ 37,998

Note 6 - Assets Held for Sale (

Note 6 - Assets Held for Sale (Details Textual) $ in Thousands	Mar. 31, 2022USD ($)ft²	Dec. 31, 2021USD ($)
Assets Held-for-sale, Not Part of Disposal Group, Total	$ 1,985	$ 0
Facility in Maple Plain, Minnesota [Member]
Area of Real Estate Property (Square Foot) | ft²	35,000
Assets Held-for-sale, Not Part of Disposal Group, Total	$ 2,000

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	Mar. 31, 2022	Dec. 31, 2021
Marketable securities	$ 48,110
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Cash and cash equivalents	49,569	$ 65,637
Marketable securities	22,251	7,602
Total	79,490	73,531
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Money Market Funds [Member]
Cash and cash equivalents	7,670	292
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Cash and cash equivalents	0	0
Marketable securities	25,859	18,318
Total	25,859	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	Mar. 31, 2022	Dec. 31, 2021
Amortized Cost	$ 48,746
Unrealized Gains	2
Unrealized Losses	(638)
Fair Value	48,110
Amortized Cost		$ 26,039
Unrealized Gains		7
Unrealized Losses		(126)
Fair Value		25,920
Bank Time Deposits [Member]
Amortized Cost	1,438
Unrealized Gains	2
Unrealized Losses	(2)
Fair Value	1,438
Amortized Cost		1,687
Unrealized Gains		7
Unrealized Losses		0
Fair Value		1,694
US States and Political Subdivisions Debt Securities [Member]
Amortized Cost	14,889
Unrealized Gains	0
Unrealized Losses	(264)
Fair Value	14,625
Amortized Cost		12,549
Unrealized Gains		0
Unrealized Losses		(70)
Fair Value		12,479
Corporate Debt Securities [Member]
Amortized Cost	12,144
Unrealized Gains	0
Unrealized Losses	(180)
Fair Value	11,964
Amortized Cost		9,303
Unrealized Gains		0
Unrealized Losses		(44)
Fair Value		9,259
US Government Agencies Debt Securities [Member]
Amortized Cost	17,288
Unrealized Gains	0
Unrealized Losses	(188)
Fair Value	17,100
Amortized Cost		2,500
Unrealized Gains		0
Unrealized Losses		(12)
Fair Value		2,488
Commercial Paper, Not Included with Cash and Cash Equivalents [Member]
Amortized Cost	2,987
Unrealized Gains	0
Unrealized Losses	(4)
Fair Value	$ 2,983
Amortized Cost		0
Unrealized Gains		0
Unrealized Losses		0
Fair Value		$ 0

Note 8 - Marketable Securitie_3

Note 8 - Marketable Securities - Balance of Held-to-maturity Debt Securities by Contractual Maturity (Details) $ in Thousands	Mar. 31, 2022USD ($)
Due in one year or less	$ 19,914
Due after one year through five years	28,196
Total marketable securities	$ 48,110

Note 9 - Inventory - Inventory

Note 9 - Inventory - Inventory (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Total inventory	$ 14,994	$ 13,474
Allowance for obsolescence	(767)	(313)
Inventory, net of allowance	$ 14,227	$ 13,161

Note 10 - Stock-based Compens_3

Note 10 - Stock-based Compensation (Details Textual) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Share-Based Payment Arrangement, Expense	$ 4.4	$ 5.6
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share)	$ 27.84
ESPP [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Discount from Market Price, Offering Date	15.00%
Employee Stock Purchase Plan, Offering Period (Month)	6 months
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent	85.00%
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	$ 4.9
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)	2 years 10 months 24 days
Share-Based Payment Arrangement, Option [Member] | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)	4 years
Share-Based Payment Arrangement, Option [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)	5 years
Restricted Stock [Member]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total	$ 23.7
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)	2 years 6 months
Restricted Stock [Member] | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)	3 years
Restricted Stock [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)	5 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	$ 3.8
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)	2 years 8 months 12 days
Percentage of Target Number Capable of Being Earned and Vesting, Lower Limit	0.00%
Percentage of Target Number Capable of Being Earned and Vesting, Upper Limit	200.00%
Long-Term Incentive Plan 2012 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year)	10 years

Note 10 - Stock-based Compens_4

Note 10 - Stock-based Compensation - Stock Option Activity (Details)	3 Months Ended
	Mar. 31, 2022$ / sharesshares
Options outstanding (in shares) | shares	233,384
Options outstanding, weighted-average exercise price (in dollars per share) | $ / shares	$ 97.78
Granted (in shares) | shares	52,992
Granted, weighted-average exercise price (in dollars per share) | $ / shares	$ 59.40
Exercised (in shares) | shares	(201)
Exercised, weighted-average exercise price (in dollars per share) | $ / shares	$ 30.58
Forfeited (in shares) | shares	(21,287)
Forfeited, weighted-average exercise price (in dollars per share) | $ / shares	$ 86.55
Options outstanding (in shares) | shares	264,888
Options outstanding, weighted-average exercise price (in dollars per share) | $ / shares	$ 91.06
Options exercisable (in shares) | shares	126,595
Options exercisable, weighted-average exercise price (in dollars per share) | $ / shares	$ 87.42

Note 10 - Stock-based Compens_5

Note 10 - Stock-based Compensation - Assumptions Used in the Black-Scholes Option Pricing Model (Details) - Share-Based Payment Arrangement, Option [Member]	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Risk-free interest rate	1.94%
Expected life (Year)	6 years 3 months	6 years 3 months
Expected volatility	45.95%
Expected dividend yield	0.00%	0.00%
Minimum [Member]
Risk-free interest rate		0.80%
Expected volatility		45.28%
Maximum [Member]
Risk-free interest rate		0.96%
Expected volatility		45.35%

Note 10 - Stock-based Compens_6

Note 10 - Stock-based Compensation - Restricted Stock Options (Details) - Restricted Stock [Member]	3 Months Ended
	Mar. 31, 2022$ / sharesshares
Restricted stock (in shares) | shares	343,782
Restricted stock, weighted-average grant date fair value (in dollars per share) | $ / shares	$ 111.79
Granted (in shares) | shares	44,782
Granted, weighted-average grant date fair value (in dollars per share) | $ / shares	$ 59.40
Restrictions lapsed (in shares) | shares	(35,207)
Restrictions lapsed, weighted-average grant date fair value (in dollars per share) | $ / shares	$ 123.15
Forfeited (in shares) | shares	(11,068)
Forfeited, weighted-average grant date fair value (in dollars per share) | $ / shares	$ 109.73
Restricted stock (in shares) | shares	342,289
Restricted stock, weighted-average grant date fair value (in dollars per share) | $ / shares	$ 103.84

Note 10 - Stock-based Compens_7

Note 10 - Stock-based Compensation - Performance Stock (Details) - Performance Shares [Member]	3 Months Ended
	Mar. 31, 2022$ / sharesshares
Performance stock (in shares) | shares	16,839
Restricted stock, weighted-average grant date fair value (in dollars per share) | $ / shares	$ 115.56
Granted (in shares) | shares	32,620
Granted, weighted-average grant date fair value (in dollars per share) | $ / shares	$ 100.33
Restrictions lapsed (in shares) | shares	0
Restrictions lapsed, weighted-average grant date fair value (in dollars per share) | $ / shares	$ 0
Performance change (in shares) | shares	0
Performance change, weighted-average grant date fair value (in dollars per share) | $ / shares	$ 0
Forfeited (in shares) | shares	0
Forfeited, weighted-average grant date fair value (in dollars per share) | $ / shares	$ 0
Performance stock (in shares) | shares	49,459
Restricted stock, weighted-average grant date fair value (in dollars per share) | $ / shares	$ 105.52

Note 10 - Stock-based Compens_8

Note 10 - Stock-based Compensation - Assumptions Used in the Valuation of Performance Stock (Details) - Performance Shares [Member]	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Risk-free interest rate	1.76%	0.22%
Expected life (Year)	2 years 10 months 13 days	2 years 10 months 13 days
Expected volatility	53.50%	51.40%
Expected dividend yield	0.00%	0.00%

Note 10 - Stock-based Compens_9

Note 10 - Stock-based Compensation - Assumptions Used to Estimate the Fair Value of the ESPP (Details) - Employee Stock Purchase Plan [Member]	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Risk-free interest rate	0.17%	0.12%
Expected life (months) (Month)	6 months	6 months
Expected volatility	53.44%	50.85%
Expected dividend yield	0.00%	0.00%

Note 11 - Accumulated Other C_3

Note 11 - Accumulated Other Comprehensive Income (Loss) - Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Balance	$ 828,493	$ 644,356
Balance	832,035	813,431
AOCI Attributable to Parent [Member]
Balance	(16,817)	(3,420)
Balance	(22,305)	(10,096)
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Other comprehensive income (loss) before reclassifications	(4,972)	(6,842)
Net current-period other comprehensive income (loss)	(4,972)	(6,842)
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member]
Other comprehensive income (loss) before reclassifications	(516)	166
Net current-period other comprehensive income (loss)	$ (516)	$ 166

Note 12 - Income Taxes (Details

Note 12 - Income Taxes (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Income Tax Expense (Benefit), Total	$ 2,495	$ 236
Effective Income Tax Rate Reconciliation, Percent, Total	32.90%	6.00%
Effective Income Tax Rate Continuing Operations Increase (Decrease) During the Period	26.90%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent		21.00%
Unrecognized Tax Benefits, Ending Balance	$ 4,600		$ 4,400

Note 13 - Segment Reporting - R

Note 13 - Segment Reporting - Revenue From Operations by Reportable Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenue	$ 124,168	$ 116,126
Operating Segments [Member]
Revenue	124,168	116,126
Operating Segments [Member] | United States Segment [Member]
Revenue	95,496	91,053
Operating Segments [Member] | Europe Segment [Member]
Revenue	24,586	21,449
Operating Segments [Member] | Japan Segment [Member]
Revenue	$ 4,086	$ 3,624

Note 13 - Segment Reporting - I

Note 13 - Segment Reporting - Income From Operations (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income from operations	$ 7,890	$ 4,261
Operating Segments [Member] | United States Segment [Member]
Income from operations	22,524	22,503
Operating Segments [Member] | Europe Segment [Member]
Income from operations	(1,679)	(1,371)
Operating Segments [Member] | Corporate Unallocated and Japan Segment[Member]
Income from operations	$ (12,955)	$ (16,871)

Note 13 - Segment Reporting - L

Note 13 - Segment Reporting - Long-lived Assets by Geographic Region (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Long-lived assets	$ 270,946	$ 280,346
Operating Segments [Member] | United States Segment [Member]
Long-lived assets	209,416	215,701
Operating Segments [Member] | Europe Segment [Member]
Long-lived assets	56,925	59,388
Operating Segments [Member] | Japan Segment [Member]
Long-lived assets	$ 4,605	$ 5,257

Note 13 - Segment Reporting - D

Note 13 - Segment Reporting - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenue	$ 124,168	$ 116,126
Injection Molding (Protomold) [Member]
Revenue	53,398	56,359
CNC Machining (Firstcut) [Member]
Revenue	46,098	36,703
3D Printing (Fineline) [Member]
Revenue	19,672	17,235
Sheet Metal [Member]
Revenue	4,687	5,219
Other Products [Member]
Revenue	$ 313	$ 610