Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets
Cash and cash equivalents	$ 203,434	$ 288,640
Marketable securities	136,246	133,893
Accounts receivable, net	148,932	140,877
Inventories, net	85,959	48,325
Prepaid expenses and other current assets	27,019	18,682
Total current assets	601,590	630,417
Long term marketable securities	119,166	350,359
Property and equipment, net	16,955	37,824
Intangible assets, net	784,693	364,342
Goodwill	117,516	77,911
Other assets	49,232	43,249
Total assets	1,689,152	1,504,102
Current liabilities
Accounts payable and accrued liabilities	117,683	78,934
Accrued product returns and rebates	132,724	126,192
Contingent consideration, current portion	44,840	30,900
Other current liabilities	20,132	9,082
Total current liabilities	315,379	245,108
Convertible notes, net	379,252	361,751
Contingent consideration, long term	35,637	45,800
Operating lease liabilities, long term	41,298	28,579
Deferred income tax liabilities, net	85,355	35,215
Other liabilities	16,380	42,791
Total liabilities	873,301	759,244
Stockholders’ equity
Common stock, $0.001 par value; 130,000,000 shares authorized; 53,256,094 and 52,868,482 shares issued and outstanding as of December 31, 2021 and December 31, 2020, respectively	53	53
Additional paid-in capital	434,337	409,332
Accumulated other comprehensive earnings, net of tax	1,539	8,975
Retained earnings	379,922	326,498
Total stockholders’ equity	815,851	744,858
Total liabilities and stockholders’ equity	$ 1,689,152	$ 1,504,102