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CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Current assets:    
Cash $ 17,248 $ 38,067
Restricted cash   11,250
Royalty receivable, current portion 2,041  
Prepaid and other current assets 5,446 6,034
Total current assets 24,735 55,351
Fixed assets, net 58 78
License rights and other intangible assets, net 6,877 6,943
Right of use assets 7,406 7,580
Royalty receivable, long term 20,272 20,253
Other non-current assets 253 253
Total assets 59,601 90,458
Current liabilities:    
Accounts payable 2,326 2,162
Accrued expenses and other current liabilities 14,360 18,846
Current liabilities of discontinued operations 2,650 25,831
Total current liabilities 19,336 46,839
Operating lease liabilities 7,135 7,369
Other non-current liabilities 1,106 1,107
Total liabilities 27,577 55,315
Commitments and contingencies (Note 9)
Stockholders' equity:    
Preferred stock, par value $0.001; 10,000 shares authorized, none issued
Common stock, par value $0.001; 12,000 shares authorized, 9,548 and 9,498 shares issued and outstanding at March 31, 2023 and December 31, 2022, respectively 10 9
Additional paid-in capital 974,980 974,497
Accumulated deficit (942,966) (939,363)
Total stockholders' equity 32,024 35,143
Total liabilities and stockholders' equity $ 59,601 $ 90,458