Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash Flows From Operating Activities
Net (loss)/income	$ (20,130)	$ 86
Adjustments to reconcile net (loss)/income to net cash and cash equivalents (used in)/provided by operating activities
Stock-based compensation	3,237	1,869
Deferred taxes	(7,464)	(279)
Depreciation and amortization	14,557	10,898
Non-cash interest	982	572
Contingent consideration fair value adjustment	753	0
Changes in operating assets and liabilities
Accounts receivable, net	(3,099)	3,917
Inventories, net	(1,462)	876
Prepaid expenses and other current assets	(137)	379
Accounts payable	(1,009)	2,462
Accrued royalties	(1,227)	(1,097)
Current income taxes payable, net	1,685	(247)
Accrued government rebates	(935)	846
Returned goods reserve	(248)	1,792
Accrued expenses, accrued compensation, and other	(4,445)	(1,406)
Net Cash and Cash Equivalents (Used in)/Provided by Operating Activities	(18,942)	20,668
Cash Flows From Investing Activities
Acquisition of product rights, IPR&D, and other related assets	(229)	(39)
Acquisition of property and equipment, net	(1,949)	(698)
Net Cash and Cash Equivalents Used in Investing Activities	(2,178)	(737)
Cash Flows From Financing Activities
Payments on borrowings under credit agreements	(750)	(2,377)
Series A convertible preferred stock dividends paid	(405)	0
Proceeds from stock option exercises and ESPP purchases	3	0
Treasury stock purchases for restricted stock vests	(1,118)	(348)
Net Cash and Cash Equivalents Used in by Financing Activities	(2,270)	(2,725)
Net Change in Cash and Cash Equivalents	(23,390)	17,206
Cash, cash equivalents, and restricted cash, beginning of period	105,301	12,867
Cash, cash equivalents, and restricted cash, end of period	81,911	30,073
Reconciliation of cash, cash equivalents, and restricted cash, beginning of period
Cash and cash equivalents	100,300	7,864
Restricted cash	5,001	5,003
Cash, cash equivalents, and restricted cash, beginning of period	105,301	12,867
Reconciliation of cash, cash equivalents, and restricted cash, end of period
Cash and cash equivalents	76,911	25,073
Restricted cash	5,000	5,000
Cash, cash equivalents, and restricted cash, end of period	81,911	30,073
Supplemental disclosure for cash flow information:
Cash paid for interest, net of amounts capitalized	5,637	1,983
Cash paid for income taxes	0	112
Supplemental non-cash investing and financing activities:
Debt issuance costs in accrued expenses	0	115
Acquisition of product rights, IPR&D, and other related assets included in returned goods reserve and derivatives and other non-current liabilities	0	388
Property and equipment purchased and included in accounts payable	$ 253	$ 218