XML 16 R5.htm IDEA: XBRL DOCUMENT v3.21.1
Condensed Consolidated Statements of Stockholders' Equity (Deficit) (Unaudited) - USD ($)
$ in Thousands
Total
Preferred Stock [Member]
Common Stock [Member]
Additional Paid In Capital [Member]
Accumulated Deficit [Member]
Accumulated Other Comprehensive Income [Member]
Balance at Dec. 31, 2019 $ (6,357)   $ 1 $ 364,785 $ (371,171) $ 28
Balance (in shares) at Dec. 31, 2019   41,517 67,091      
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Compensation expense for issuance of stock options 25     25    
Shares settled for services 30     30    
Shares settled for services (in shares)     2,717      
Conversion of Preferred stock into common stock (in shares)   (70) 2,915      
Fractional rounding related to Reverse stock split     $ 50      
Registration costs (106)     (106)    
Fair value of warrants issued 6,199     6,199    
Net loss (7,861)       (7,861)  
Total comprehensive income (loss) 65         65
Balance at Mar. 31, 2020 (8,005)   $ 1 370,933 (379,032) 93
Balance (in shares) at Mar. 31, 2020   41,447 72,773      
Balance at Dec. 31, 2020 22,078   $ 60 417,449 (395,327) (104)
Balance (in shares) at Dec. 31, 2020   20,631 5,996,101      
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Compensation expense for issuance of stock options 2,148     2,148    
Shares settled for services 57     $ 57    
Shares settled for services (in shares)     2,636      
Conversion of Preferred stock into common stock (in shares)   (150) 15,000      
Exercise of warrants into common stock 2,376   $ 3      
Exercise of warrants into common stock (in shares)     237,520 2,373    
Net loss (6,747)       (6,747)  
Total comprehensive income (loss) 94         94
Balance at Mar. 31, 2021 $ 20,006   $ 63 $ 422,027 $ (402,074) $ (10)
Balance (in shares) at Mar. 31, 2021   20,481 6,251,257