Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets
Cash and cash equivalents	$ 115,715	$ 203,434
Marketable securities	196,485	136,246
Accounts receivable, net	145,149	148,932
Inventories, net	88,795	85,959
Prepaid expenses and other current assets	22,372	27,019
Total current assets	568,516	601,590
Long-term marketable securities	125,337	119,166
Property and equipment, net	17,215	16,955
Intangible assets, net	764,049	784,693
Goodwill	115,414	117,516
Other assets	48,986	49,232
Total assets	1,639,517	1,689,152
Current liabilities
Accounts payable and accrued liabilities	89,432	117,683
Accrued product returns and rebates	140,181	132,724
Contingent consideration, current portion	46,890	44,840
Other current liabilities	8,055	20,132
Total current liabilities	284,558	315,379
Convertible notes, net	400,382	379,252
Contingent consideration, long-term	9,252	35,637
Operating lease liabilities, long-term	39,891	41,298
Deferred income tax liabilities	62,843	85,355
Other liabilities	14,145	16,380
Total liabilities	811,071	873,301
Stockholders’ equity
Common stock, $0.001 par value; 130,000,000 shares authorized; 53,386,305 and 53,256,094 shares issued and outstanding as of March 31, 2022 and December 31, 2021, respectively	53	53
Additional paid-in capital	383,016	434,337
Accumulated other comprehensive earnings (loss), net of tax	(773)	1,539
Retained earnings	446,150	379,922
Total stockholders’ equity	828,446	815,851
Total liabilities and stockholders’ equity	$ 1,639,517	$ 1,689,152