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CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Current assets:    
Cash and cash equivalents $ 22,214 $ 45,261
Accounts and other receivables, net 11,368 627
Prepaid expenses and other current assets 5,997 1,434
Inventory 2,138 279
Total current assets 41,717 47,601
Property and equipment, net 357 288
Operating lease right-of-use assets 3,078 0
Intangible assets, net 27,669 30,129
Restricted cash 150 150
Total assets 72,971 78,168
Current liabilities:    
Accounts payable 4,192 2,640
Accrued expenses 6,832 3,789
Accrued development milestone 0 15,000
Deferred revenue 15 30
Operating lease liabilities - current portion 481 0
Total current liabilities 11,520 21,459
Long-term debt 47,223 17,621
Operating lease liabilities - noncurrent portion 2,898 0
Other long-term liabilities 3,000 1,455
Total liabilities 64,641 40,535
Contingencies (Note 16)
Stockholders’ equity:    
Preferred stock, $.001 par value, 5,000,000 shares authorized, no shares issued and outstanding 0 0
Common stock, $.001 par value, 150,000,000 shares authorized ; 109,417,322 and 95,372,236 shares issued and outstanding at December 31, 2019 and 2018, respectively 109 95
Additional paid-in capital 472,667 445,192
Accumulated deficit (465,286) (408,493)
Accumulated other comprehensive income 840 839
Total stockholders’ equity 8,330 37,633
Total liabilities and stockholders’ equity $ 72,971 $ 78,168