Annual report pursuant to Section 13 and 15(d)

Restatement of Previously Issued Condensed Unaudited Financial Statements (Details)

v3.24.1
Restatement of Previously Issued Condensed Unaudited Financial Statements (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Sep. 30, 2023
Dec. 31, 2022
Dec. 31, 2021
Current assets:        
Cash and cash equivalents $ 6,760 $ 8,096 $ 2,937  
Restricted cash 13 13 196  
Receivables 46 26 36  
Notes receivable 1,000 1,500  
Inventory (0) 106  
Prepaid expenses and other current assets 199 244 314  
Discontinued operations – current assets 20 14  
Total current assets 8,018 9,899 3,603  
Property and equipment, net 5 6 224  
Other assets 48  
Operating lease right-of-use assets, net 63 94 183  
Total assets 8,086 9,999 4,058  
Current liabilities:        
Accounts payable 348 407 695  
Note payable to related party 500 500  
Other accrued liabilities 519 790 1,488  
Operating lease liability, current 65 97 122  
Deferred grant revenue 12 12 196  
Discontinued operations – current liabilities 60 129  
Total current liabilities 1,444 1,866 2,630  
Operating lease liability, noncurrent 65  
Total liabilities 1,444 1,866 2,695  
Stockholders’ equity:        
Preferred stock, at amounts paid-in, $0.001 par value per share; 5,000,000 shares authorized, 950,000 shares issued and outstanding at September 30, 2023 and no shares issued and outstanding at December 31, 2022. 1 1  
Common stock, at amounts paid-in, $0.001 par value per share; 225,000,000 shares authorized, 15,016,295 shares issued and outstanding at September 30, 2023 and December 31, 2022. 1 15 1  
Additional paid-in capital 398,470 398,383 387,623  
Accumulated deficit (391,830) (390,266) (386,261)  
Total stockholders’ equity 6,642 8,133 1,363 $ 5,138
Total liabilities and stockholders’ equity $ 8,086 9,999 $ 4,058  
Previously Reported [Member]        
Current assets:        
Cash and cash equivalents   8,096    
Restricted cash   13    
Receivables   26    
Notes receivable   1,500    
Inventory      
Prepaid expenses and other current assets   244    
Discontinued operations – current assets   20    
Total current assets   9,899    
Property and equipment, net   6    
Other assets      
Operating lease right-of-use assets, net   94    
Total assets   9,999    
Current liabilities:        
Accounts payable   407    
Note payable to related party   500    
Other accrued liabilities   790    
Operating lease liability, current   97    
Deferred grant revenue   12    
Discontinued operations – current liabilities   60    
Total current liabilities   1,866    
Operating lease liability, noncurrent      
Total liabilities   1,866    
Stockholders’ equity:        
Preferred stock, at amounts paid-in, $0.001 par value per share; 5,000,000 shares authorized, 950,000 shares issued and outstanding at September 30, 2023 and no shares issued and outstanding at December 31, 2022.   1    
Common stock, at amounts paid-in, $0.001 par value per share; 225,000,000 shares authorized, 15,016,295 shares issued and outstanding at September 30, 2023 and December 31, 2022.   15    
Additional paid-in capital   397,977    
Accumulated deficit   (389,860)    
Total stockholders’ equity   8,133    
Total liabilities and stockholders’ equity   9,999    
Revision of Prior Period, Adjustment [Member]        
Current assets:        
Cash and cash equivalents      
Restricted cash      
Receivables      
Notes receivable      
Inventory      
Prepaid expenses and other current assets      
Discontinued operations – current assets      
Total current assets      
Property and equipment, net      
Other assets      
Operating lease right-of-use assets, net      
Total assets      
Current liabilities:        
Accounts payable      
Note payable to related party      
Other accrued liabilities      
Operating lease liability, current      
Deferred grant revenue      
Discontinued operations – current liabilities      
Total current liabilities      
Operating lease liability, noncurrent      
Total liabilities      
Stockholders’ equity:        
Additional paid-in capital   406    
Accumulated deficit   (406)    
Total stockholders’ equity      
Total liabilities and stockholders’ equity