Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Current assets
Cash and cash equivalents	$ 204,293	$ 181,381
Marketable securities	147,657	165,692
Accounts receivable, net	133,107	87,332
Inventories, net	42,465	26,628
Prepaid expenses and other current assets	24,493	11,611
Total current assets	552,015	472,644
Long term marketable securities	388,185	591,773
Property and equipment, net	17,395	17,068
Operating lease assets	21,019	21,279
Finance lease asset	21,676	0
Intangible assets, net	402,265	24,840
Goodwill	89,143	0
Deferred income tax assets	0	32,063
Other assets	18,324	615
Total assets	1,510,022	1,160,282
Current liabilities
Accounts payable	11,193	10,141
Accrued product returns and rebates	136,973	107,629
Accrued expenses and other current liabilities	56,289	34,305
Contingent consideration, current portion	82,900	0
Income taxes payable	0	2,443
Operating lease liabilities, current portion	3,741	2,825
Finance lease liability, current portion	3,612	0
Nonrecourse liability related to sale of future royalties, current portion	4,898	3,244
Total current liabilities	299,606	160,587
Convertible notes, net	357,521	345,170
Contingent consideration, long term	33,000	0
Nonrecourse liability related to sale of future royalties, long term	14,960	19,248
Operating lease liabilities, long term	29,522	30,440
Finance lease liability, long term	19,289	0
Deferred income tax liabilities	37,941	0
Other liabilities	9,304	9,409
Total liabilities	801,143	564,854
Stockholders’ equity
Common stock, $0.001 par value; 130,000,000 shares authorized; 52,670,121 and 52,533,348 shares issued and outstanding as of September 30, 2020 and December 31, 2019, respectively	53	53
Additional paid-in capital	403,396	388,410
Accumulated other comprehensive earnings, net of tax	9,700	7,417
Retained earnings	295,730	199,548
Total stockholders’ equity	708,879	595,428
Total liabilities and stockholders’ equity	$ 1,510,022	$ 1,160,282