Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Current assets
Cash and cash equivalents	$ 288,640	$ 181,381
Marketable securities	133,893	165,692
Accounts receivable, net	140,877	87,332
Inventories, net	48,325	26,628
Prepaid expenses and other current assets	18,682	11,611
Total current assets	630,417	472,644
Long term marketable securities	350,359	591,773
Property and equipment, net	37,824	17,068
Intangible assets, net	364,342	24,840
Goodwill	77,911	0
Deferred income taxes	0	32,063
Other assets	43,249	21,894
Total assets	1,504,102	1,160,282
Current liabilities
Accounts payable and accrued liabilities	78,934	49,714
Accrued product returns and rebates	126,192	107,629
Contingent consideration, current portion	30,900	0
Other current liabilities	9,082	3,244
Total current liabilities	245,108	160,587
Convertible notes, net	361,751	345,170
Contingent consideration, long term	45,800	0
Operating lease liabilities, long term	28,579	30,440
Deferred income tax liabilities	35,215	0
Other liabilities	42,791	28,657
Total liabilities	759,244	564,854
Stockholders’ equity
Common stock, $0.001 par value; 130,000,000 shares authorized; 52,868,482 and 52,533,348 shares issued and outstanding as of December 31, 2020 and December 31, 2019, respectively	53	53
Additional paid-in capital	409,332	388,410
Accumulated other comprehensive earnings, net of tax	8,975	7,417
Retained earnings	326,498	199,548
Total stockholders’ equity	744,858	595,428
Total liabilities and stockholders’ equity	$ 1,504,102	$ 1,160,282