Consolidated Statement of Changes in Stockholders' Equity (Deficit) - USD ($)
$ in Thousands
Common Stock [Member]
Additional Paid-in Capital [Member]
Accumulated Other Comprehensive Income [Member]
Accumulated Deficit [Member]
Stockholder's Equity Deficit [Member]
Balance at Dec. 31, 2013 $ 18 $ 102,983 $ 74 $ (106,794) $ (3,719)
Balance, shares at Dec. 31, 2013 18,082,043        
Net loss       (7,371) (7,371)
Net unrealized losses on foreign currency translation, net of tax     (2)   (2)
Shareholder rights offerings, net $ 12 4,854     $ 4,866
Shareholder rights offerings, net, Shares 12,140,823        
Issuance of restricted stock, Shares 132,077      
Exercise of warrants 15     $ 15
Exercise of warrants, Shares 36,570        
Noncash stock-based compensation   530     530
Balance at Dec. 31, 2014 $ 30 108,382 72 (114,165) (5,681)
Balance, shares at Dec. 31, 2014 30,391,513        
Net loss       (3,088) (3,088)
Net unrealized losses on foreign currency translation, net of tax     (1)   (1)
Issuance of common stock, net of equity issuance costs of $24 $ 2 1,203     1,205
Issuance of common stock, net of equity issuance costs of $24, Shares 1,834,299        
Issuance of common stock, net of commitment fee of $163 $ 1 135     136
Issuance of common stock, net of commitment fee of $163, Shares 550,000        
Issuance of restricted stock $ 1 174     175
Issuance of restricted stock, Shares 501,182        
Issuance of restricted stock to vendor   68     68
Issuance of restricted stock to vendor, Shares 116,613        
Exercise of warrants $ 15 9,484     9,499
Exercise of warrants, Shares 15,186,748        
Noncash stock-based compensation   351     351
Balance at Dec. 31, 2015 $ 49 $ 119,797 $ 71 $ (117,253) $ 2,664
Balance, shares at Dec. 31, 2015 48,580,355