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CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Thousands
Jun. 30, 2023
Dec. 31, 2022
Current assets:    
Cash $ 1,837 $ 11,446
Other receivables 984 951
Prepaid expenses and other current assets 1,070 1,284
Total current assets 3,891 13,681
Restricted cash 4,095 4,095
Property and equipment, net 193 236
Right-of-use assets - operating leases 35,357 1,030
Goodwill 2,044 2,044
Investment in non-controlling interest 0 59
Other assets 1,374 1,134
Total assets 46,954 22,279
Current liabilities:    
Accounts payable 2,675 1,620
Accrued expenses 2,109 3,626
Income taxes payable 8 0
Operating lease liabilities, current 173 295
Total current liabilities 7,165 7,654
Warrant liabilities 185 331
Operating lease liabilities, non-current 34,963 887
Deferred revenue 250 0
Contingent consideration liability 107 0
Total liabilities 43,088 10,172
Stockholders' equity:    
Common stock, $0.005 par value, 100,000 shares authorized at June 30, 2023 and December 31, 2022; 5,410 and 5,127 issued and outstanding at June 30, 2023 and December 31, 2022, respectively 27 26
Additional paid-in capital 179,067 177,377
Accumulated deficit (175,229) (165,297)
Total stockholders' equity 3,866 12,107
Total liabilities and stockholders' equity 46,954 22,279
Related Party [Member]    
Current liabilities:    
Other current liabilities 1,750 1,750
Other liabilities 331 1,206
Nonrelated Party [Member]    
Current liabilities:    
Other current liabilities 450 363
Other liabilities 87 94
Series A Preferred Stock [Member]    
Stockholders' equity:    
Preferred stock, $0.005 par value, 1,000 shares authorized, 156 designated and outstanding of Series A convertible preferred stock at June 30, 2023 and December 31, 2022, $156 liquidation preference $ 1 $ 1