v3.19.3.a.u2
BALANCE SHEETS - USD ($)
Dec. 31, 2019
Dec. 31, 2018
Current assets:    
Cash and cash equivalents $ 22,521,000 $ 76,322,000
Short-term investments 75,557,000 52,215,000
Accounts receivable, net 10,111,000 4,077,000
Inventories 1,354,000 894,000
Prepaid and other current assets 9,462,000 3,479,000
Total current assets 119,005,000 136,987,000
Property and equipment, net 2,159,000 1,387,000
Operating lease right-of-use asset 25,709,000  
Other assets 696,000 735,000
Total assets 147,569,000 139,109,000
Current liabilities:    
Accounts payable 4,152,000 6,391,000
Accrued compensation 8,819,000 9,952,000
Accrued research and development 5,960,000 6,763,000
Other accrued liabilities 6,721,000 3,598,000
Lease liabilities, current portion 7,272,000  
Deferred revenue, current portion 25,288,000 1,030,000
Total current liabilities 58,212,000 27,734,000
Long-term portion of deferred revenue 1,404,000 1,408,000
Long-term portion of deferred rent   90,000
Long-term portion of lease liabilities 19,230,000  
Loans payable, net of discount 9,810,000  
Other long-term liabilities 5,098,000  
Commitments
Stockholders' equity:    
Preferred stock, $0.001 par value; 10,000,000 shares authorized; none issued and outstanding as of December 31, 2019 and 2018
Common stock, $0.001 par value; 400,000,000 shares authorized; 167,987,850 and 167,171,505 shares issued and outstanding as of December 31, 2019 and 2018, respectively 168,000 167,000
Additional paid-in capital 1,329,852,000 1,319,068,000
Accumulated other comprehensive income (loss) 23,000 (24,000)
Accumulated deficit (1,276,228,000) (1,209,334,000)
Total stockholders' equity 53,815,000 109,877,000
Total liabilities and stockholders' equity $ 147,569,000 $ 139,109,000

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