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CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Current assets:    
Cash and cash equivalents $ 61,031 $ 45,072
Marketable securities 306,709 267,057
Accounts receivable, net 30,036 26,367
Inventory 1,280 1,140
Prepaid expenses and other current assets 10,089 14,500
Total current assets 409,145 354,136
Property and equipment, net 4,136 3,864
Operating lease right-of-use assets 10,459 11,180
Intangible assets, net 21,559 23,037
Deferred tax assets 81,516 87,680
Non-current inventory and other 6,641 3,851
Total assets 533,456 483,748
Current liabilities:    
Accounts payable and accrued liabilities 31,509 27,590
Product revenue allowances 34,427 31,915
Total current liabilities 65,936 59,505
Operating lease non-current liabilities 11,497 12,455
Other non-current liabilities 2,757 843
Total liabilities 80,190 72,803
Commitments and contingencies (Notes 10 and 17)
Stockholders’ equity:    
Preferred stock, $0.001 par value; 20,000,000 shares authorized, and no shares issued or outstanding at December 31, 2020 and 2019, respectively 0 0
Common stock, $0.001 par value; 150,000,000 shares authorized; 54,865,092 and 53,549,612 shares issued and outstanding at December 31, 2020 and 2019, respectively 55 54
Additional paid-in capital 650,300 631,307
Accumulated other comprehensive income 239 249
Accumulated deficit (197,328) (220,665)
Total stockholders’ equity 453,266 410,945
Total liabilities and stockholders’ equity $ 533,456 $ 483,748