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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)
$ in Thousands
Preferred Stock
Common Stock
Additional Paid-in Capital
Accumulated Other Comprehensive Loss
Accumulated Deficit
Total
Balance at Dec. 31, 2015   $ 3 $ 342,587 $ (596) $ (323,159) $ 18,835
Balance (in shares) at Dec. 31, 2015 335,273 2,965,208        
Increase (Decrease) in Stockholders' Equity            
Issue of common stock on At Market Issuance sales agreement   $ 1 6,793     6,794
Issue of common stock on At Market Issuance sales agreement (in shares)   1,291,621        
Stock-based compensation     782     782
Preferred stock dividends     (200)     (200)
Unrealized foreign exchange on intercompany loans       (27,351)   (27,351)
Translation adjustment       27,204   27,204
Loss for the period         (11,791) (11,791)
Cumulative effect of change in Accounting Principle for ASU 2016-09 at Dec. 31, 2016     89   (89)  
Balance at Dec. 31, 2016   $ 4 350,051 (743) (335,039) 14,273
Balance (in shares) at Dec. 31, 2016 335,273 4,256,829        
Increase (Decrease) in Stockholders' Equity            
Issue of common stock, preferred stock and associated warrants on underwritten offering, net of expenses   $ 3 13,681     13,684
Issue of common stock, preferred stock and associated warrants on underwritten offering, net of expenses (in shares) 8,872 3,154,000        
Series A Preferred stock conversions   $ 4 (4)      
Series A Preferred stock conversions (in shares) (8,608) 4,304,000        
Warrant exercise     199     199
Warrant exercise (in shares)   99,500        
Issue of common stock on At Market Issuance sales agreement   $ 1 1,065     1,066
Issue of common stock on At Market Issuance sales agreement (in shares)   183,118        
Stock-based compensation     266     266
Preferred stock dividends     (201)     (201)
Unrealized foreign exchange on intercompany loans       14,636   14,636
Translation adjustment       (14,687)   (14,687)
Loss for the period         (7,470) (7,470)
Balance at Dec. 31, 2017   $ 12 $ 365,057 $ (794) $ (342,509) $ 21,766
Balance (in shares) at Dec. 31, 2017 335,537 11,997,447