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Condensed Consolidated Statements of Stockholders' Equity Deficit (Unaudited) - 3 months ended Mar. 31, 2017 - USD ($)
$ in Thousands
Total
Common Stock Issued [Member]
Treasury Stock [Member]
Additional Paid in Capital [Member]
Accumulated Deficit [Member]
Accumulated Other Comprehensive loss [Member]
Balance at Dec. 31, 2016 $ (1,490) $ 41 $ (51) $ 277,749 $ (279,188) $ (41)
Balance (in shares) at Dec. 31, 2016   4,131,527 (110)      
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Compensation expense for issuance of stock options 21     21    
Compensation expense for issuance of restricted stock 27 $ 1   26    
Compensation expense for issuance of restricted stock (in shares)   91,344        
Issuance of common stock for payments made in shares on convertible note payable 12,210 $ 1,144   11,066    
Issuance of common stock for payments made in shares on convertible note payable (in shares)   114,345,554        
Net loss (11,332)       (11,332)  
Total comprehensive loss (22)         (22)
Balance at Mar. 31, 2017 $ (586) $ 1,186 $ (51) $ 288,862 $ (290,520) $ (63)
Balance (in shares) at Mar. 31, 2017   118,568,425 (110)