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Condensed Consolidated Statements of Stockholders' Equity (Deficit) (Unaudited) - 6 months ended Jun. 30, 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 46     46    
Compensation expense for issuance of restricted stock 64 $ 1   63    
Compensation expense for issuance of restricted stock (in shares)   91,344        
Issuance of common stock for payments made in shares on convertible note payable 15,498 $ 4,202   11,296    
Issuance of common stock for payments made in shares on convertible note payable (in shares)   420,199,367        
Warrants Exercised 14 $ 1   13    
Warrants Exercised (in shares)   103,829        
Fair value of warrants exercised 19     19    
Net loss (13,276)       (13,276)  
Total comprehensive loss (8)         (8)
Balance at Jun. 30, 2017 $ 867 $ 4,245 $ (51) $ 289,186 $ (292,464) $ (49)
Balance (in shares) at Jun. 30, 2017   424,526,067 (110)