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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIT) - USD ($)
$ in Thousands
Preferred Stock
Common stock
Additional paid-in capital
Accumulated other comprehensive income/(loss)
Accumulated Deficit
Total
Balance at Dec. 31, 2013   $ 19 $ 317,543 $ (109) $ (289,430) $ 28,023
Balance (in shares) at Dec. 31, 2013 335,273 19,369,332        
Increase (Decrease) in Stockholders' Equity            
Issue of common stock for cash on registered direct offering, net of expenses   $ 3 9,286     9,289
Issue of common stock for cash on registered direct offering, net of expenses (in shares)   2,857,143        
Issue of common stock on share purchase agreement   $ 1 3,131     3,132
Issue of common stock on share purchase agreement (in shares)   950,000        
Stock-based awards exercised     (21)     (21)
Stock-based awards exercised (in shares)   22,994        
Stock-based compensation     1,223     1,223
Preferred stock dividends     (200)     (200)
Unrealized foreign exchange on intercompany loans       (8,391)   (8,391)
Translation adjustment       8,020   8,020
Loss for the year         (19,387) (19,387)
Balance at Dec. 31, 2014   $ 23 330,962 (480) (308,817) 21,688
Balance (in shares) at Dec. 31, 2014 335,273 23,199,469        
Increase (Decrease) in Stockholders' Equity            
Issue of common stock for cash on registered direct offering, net of expenses   $ 10 9,161     9,171
Issue of common stock for cash on registered direct offering, net of expenses (in shares)   10,000,000        
Issue of common stock upon draw down of Committed Equity Finance Facility   $ 1 483     484
Issue of common stock upon draw down of Committed Equity Finance Facility (in shares)   879,583        
Issue of common stock on share purchase agreement   $ 1 1,405     1,406
Issue of common stock on share purchase agreement (in shares)   1,414,424        
Stock Based Awards Vested   $ 89,016        
Stock-based compensation     745     745
Preferred stock dividends     (201)     (201)
Unrealized foreign exchange on intercompany loans       (6,536)   (6,536)
Translation adjustment       6,420   6,420
Loss for the year         (14,342) (14,342)
Balance at Dec. 31, 2015   $ 35 $ 342,555 $ (596) $ (323,159) $ 18,835
Balance (in shares) at Dec. 31, 2015 335,273 35,582,492