Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Current assets
Cash and cash equivalents	$ 210,975	$ 181,381
Marketable securities	163,839	165,692
Accounts receivable, net	126,559	87,332
Inventories, net	35,338	26,628
Prepaid expenses and other current assets	20,442	11,611
Total current assets	557,153	472,644
Long term marketable securities	358,673	591,773
Property and equipment, net	17,941	17,068
Operating lease assets	21,289	21,279
Finance lease asset	22,479	0
Intangible assets, net	408,272	24,840
Goodwill	88,095	0
Deferred income tax assets	0	32,063
Other assets	17,118	615
Total assets	1,491,020	1,160,282
Current liabilities
Accounts payable	5,515	10,141
Accrued product returns and rebates	144,105	107,629
Accrued expenses and other current liabilities	58,818	34,305
Contingent consideration, current portion	23,500	0
Income taxes payable	25,052	2,443
Operating lease liabilities, current portion	3,560	2,825
Finance lease liability, current portion	4,201	0
Nonrecourse liability related to sale of future royalties, current portion	4,525	3,244
Total current liabilities	269,276	160,587
Convertible notes, net	353,349	345,170
Contingent consideration, long term	92,200	0
Nonrecourse liability related to sale of future royalties, long term	16,455	19,248
Operating lease liabilities, long term	30,108	30,440
Finance lease liability, long term	18,382	0
Deferred income tax liabilities	35,716	0
Other liabilities	9,560	9,409
Total liabilities	825,046	564,854
Stockholders’ equity
Common stock, $0.001 par value; 130,000,000 shares authorized; 52,624,084 and 52,533,348 shares issued and outstanding as of June 30, 2020 and December 31, 2019, respectively	53	53
Additional paid-in capital	398,829	388,410
Accumulated other comprehensive earnings, net of tax	11,359	7,417
Retained earnings	255,733	199,548
Total stockholders’ equity	665,974	595,428
Total liabilities and stockholders’ equity	$ 1,491,020	$ 1,160,282