Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash Flows From Operating Activities
Net income	$ 18,207	$ 1,439
Adjustments to reconcile net income to net cash and cash equivalents provided by operating activities:
Stock-based compensation	6,934	4,338
Deferred taxes	3,104	773
Depreciation and amortization	14,686	14,700
Unrealized gain on investment in equity securities	(9,655)	0
Non-cash operating lease expense	373	0
Non-cash interest	102	987
Contingent consideration fair value adjustment	90	961
Gain on sale of building	(5,347)	0
Changes in operating assets and liabilities, net of acquisition:
Accounts receivable, net	(10,339)	(9,275)
Inventories	(2,641)	1,701
Prepaid expenses and other current assets	1,353	1,513
Accounts payable	11,526	3,105
Accrued royalties	(801)	(350)
Current income taxes payable	3,238	92
Accrued government rebates	(2,658)	(2,265)
Returned goods reserve	3,174	713
Accrued expenses, accrued compensation, and other	(13,077)	2,992
Net Cash and Cash Equivalents Provided by Operating Activities	18,269	21,424
Cash Flows From Investing Activities
Acquisition of product rights, intangible assets, and other related assets	0	(4)
Acquisition of property and equipment, net	(4,581)	(2,349)
Proceeds from the sale of building	13,514	0
Net Cash and Cash Equivalents Provided by (Used in) Investing Activities	8,933	(2,353)
Cash Flows From Financing Activities
Payments on borrowings under credit agreements	(750)	(750)
Series A convertible preferred stock dividends paid	(406)	(406)
Proceeds from stock option exercises and ESPP purchases	2,591	157
Treasury stock purchases for restricted stock vests	(8,661)	(3,549)
Payments on contingent consideration	(12,500)	0
Net Cash and Cash Equivalents Used in Financing Activities	(19,726)	(4,548)
Net Change in Cash, Cash Equivalents, and Restricted Cash	7,476	14,523
Cash, cash equivalents, and restricted cash, beginning of period	221,121	53,234
Cash and cash equivalents, end of period	228,597	67,757
Reconciliation of cash, cash equivalents, and restricted cash, beginning of period
Cash and cash equivalents	228,597
Cash, cash equivalents, and restricted cash, beginning of period	228,597	67,757
Supplemental disclosure for cash flow information:
Cash paid for interest, net of amounts capitalized	7,946	4,293
Cash paid for income taxes	852	2,741
Supplemental non-cash investing and financing activities:
Property and equipment purchased and included in accounts payable	$ 1,222	$ 729