Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Cash Flows From Operating Activities
Net Income (Loss)	$ 1,439	$ (20,130)
Adjustments to reconcile net income (loss) to net cash and cash equivalents (used in) provided by operating activities:
Stock-based compensation	4,338	3,237
Deferred taxes	773	(7,464)
Depreciation and amortization	14,700	14,557
Non-cash interest	987	982
Contingent consideration fair value adjustment	961	753
Changes in operating assets and liabilities, net of acquisition:
Accounts receivable, net	(9,275)	(3,099)
Inventories	1,701	(1,462)
Prepaid expenses and other current assets	1,513	(137)
Accounts payable	3,105	(1,009)
Accrued royalties	(350)	(1,227)
Current income taxes payable, net	92	1,685
Accrued government rebates	(2,265)	(935)
Returned goods reserve	713	(248)
Accrued expenses, accrued compensation, and other	2,992	(4,445)
Net Cash and Cash Equivalents Provided by (Used in) Operating Activities	21,424	(18,942)
Cash Flows From Investing Activities
Acquisition of product rights, IPR&D, and other related assets	(4)	(229)
Acquisition of property and equipment, net	(2,349)	(1,949)
Net Cash and Cash Equivalents Used in Investing Activities	(2,353)	(2,178)
Cash Flows From Financing Activities
Payments on borrowings under credit agreements	(750)	(750)
Series A convertible preferred stock dividends paid	(406)	(405)
Proceeds from stock option exercises and ESPP purchases	157	3
Treasury stock purchases for restricted stock vests	(3,549)	(1,118)
Net Cash and Cash Equivalents Used in Financing Activities	(4,548)	(2,270)
Net Change in Cash and Cash Equivalents	14,523	(23,390)
Cash and cash equivalents, beginning of period	53,234	105,301
Cash and cash equivalents, end of period	67,757	81,911
Reconciliation of cash, cash equivalents, and restricted cash, beginning of period
Cash and cash equivalents	67,757	76,911
Current restricted cash	0	5,000
Cash, cash equivalents, and restricted cash, end of period	67,757	81,911
Supplemental disclosure for cash flow information:
Cash paid for interest, net of amounts capitalized	4,293	5,637
Cash paid for income taxes	2,741	0
Supplemental non-cash investing and financing activities:
Property and equipment purchased and included in accounts payable	$ 729	$ 253