Consolidated Statements of Changes in Mezzanine Equity and Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Gain/(Loss), Net of Tax [Member]	Retained Earnings/(Accumulated Deficit) [Member] Cumulative Effect, Period of Adoption, Adjustment [Member]	Retained Earnings/(Accumulated Deficit) [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member]	Total
Balance at Dec. 31, 2018	$ 1	$ 186,812	$ (659)	$ (379)	$ 2	$ 11,488	$ 2	$ 197,263
Balance (in shares) at Dec. 31, 2018	11,863		11
Increase (decrease) in Stockholders' Equity
Stock-based Compensation Expense		9,217						9,217
Treasury Stock Purchases for Restricted Stock Vests			$ (1,031)					(1,031)
Treasury Stock Purchases for Restricted Stock Vests (in shares)			20
Issuance of Common Shares upon Stock Option and ESPP Exercise		5,738						5,738
Issuance of Common Shares upon Stock Option and ESPP Exercise (in shares)	136
Issuance of Restricted Stock Awards		(967)	$ 967
Issuance of Restricted Stock Awards (in shares)	106		(16)
Other comprehensive income/(loss)				(4,492)				(4,492)
Net (loss)/Income						6,094		6,094
Balance at Dec. 31, 2019	$ 1	200,800	$ (723)	(4,871)	$ (8)	17,584	$ (8)	212,791
Balance (in shares) at Dec. 31, 2019	12,105		15
Increase (decrease) in Stockholders' Equity
Stock-based Compensation Expense		12,936						12,936
Treasury Stock Purchases for Restricted Stock Vests			$ (1,523)					(1,523)
Treasury Stock Purchases for Restricted Stock Vests (in shares)			61
Issuance of Common Shares upon Stock Option and ESPP Exercise		618						618
Issuance of Common Shares upon Stock Option and ESPP Exercise (in shares)	21
Issuance of Restricted Stock Awards (in shares)	304
Other comprehensive income/(loss)				(6,566)				(6,566)
Net (loss)/Income						(22,548)		(22,548)
Balance at Dec. 31, 2020	$ 1	214,354	$ (2,246)	(11,437)		(4,972)		195,700
Balance (in shares) at Dec. 31, 2020	12,430		76
Increase (decrease) in Stockholders' Equity
Stock-based Compensation Expense		10,489						10,489
Treasury Stock Purchases for Restricted Stock Vests			$ (889)					(889)
Treasury Stock Purchases for Restricted Stock Vests (in shares)			28
Issuance of Common Shares upon Stock Option and ESPP Exercise		2,069						2,069
Issuance of Common Shares upon Stock Option and ESPP Exercise (in shares)	56
Dividends on Convertible Preferred Stock						(190)		(190)
Issuance of Restricted Stock Awards (in shares)	541
Restricted Stock Awards Forfeitures		(1)						(1)
Restricted Stock Awards Forfeitures (in shares)	(81)		(21)
Other comprehensive income/(loss)				8,382				8,382
Issuance of Common Stock for Novitium Acquisition		91,199						91,199
Issuance of Common Stock for Novitium Acquisition (in shares)	2,467
Issuance of Common Stock in Public Offering		69,734						69,734
Issuance of Common Stock in Public Offering (in shares)	1,500
Issuance of Series A Convertible Preferred Stock from Mezzanine Equity								24,850
Net (loss)/Income						(42,603)		(42,603)
Balance at Dec. 31, 2021	$ 1	$ 387,844	$ (3,135)	$ (3,055)		$ (47,765)		333,890
Balance (in shares) at Dec. 31, 2021	16,913		83
Increase (decrease) in Stockholders' Equity
Balance, permanent and temporary equity								$ 358,740