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Condensed Consolidated Balance Sheets - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
Current assets:    
Cash and cash equivalents $ 37,297 $ 49,348
Marketable securities available-for-sale 137,649 96,188
Accounts and other receivables, net 8,822 3,704
Inventories, net 39,356 19,022
Prepaid expenses and other current assets 5,711 6,102
Total current assets 228,835 174,364
Property and equipment, net 31,461 17,064
Intangible assets, net 4,823 11,717
Operating lease right-of-use assets 29,723  
Goodwill 2,045 2,144
Restricted cash 619 619
Other assets 3,509 4,976
Total assets 301,015 210,884
Current liabilities:    
Accounts payable 7,660 5,278
Accrued research and development 4,242 9,714
Accrued liabilities 17,003 16,041
Warrant liability 7,594  
Other current liabilities 9,849 7,000
Total current liabilities 46,348 38,033
Long-term debt, net 177,615 100,871
Long-term portion of lease liabilities 36,964  
Other long-term liabilities 932 8,915
Total liabilities 261,859 147,819
Commitments and contingencies (Note 6)
Stockholders’ equity:    
Preferred stock value
Common stock: $0.001 par value; 139,000 shares authorized at September 30, 2019 and December 31, 2018; 83,865 and 62,862 shares issued and outstanding at September 30, 2019 and December 31, 2018, respectively 84 63
Additional paid-in capital 1,224,228 1,131,241
Accumulated other comprehensive loss (3,088) (2,015)
Accumulated deficit (1,182,068) (1,066,224)
Total stockholders’ equity 39,156 63,065
Total liabilities and stockholders’ equity 301,015 210,884
Series B Convertible Preferred Stock    
Stockholders’ equity:    
Preferred stock value