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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)
$ in Thousands
Preferred Stock [Member]
Common Stock [Member]
Additional Paid-in Capital [Member]
Accumulated Other Comprehensive Loss [Member]
Accumulated Deficit [Member]
Total
Balance at Dec. 31, 2018   $ 1 $ 365,828 $ (760) $ (349,797) $ 15,272
Balance (in shares) at Dec. 31, 2018 335,537 624,872        
Issue of common stock on At Market Issuance sales agreement, net of expenses   $ 0 4,049     4,049
Issue of common stock on At Market Issuance sales agreement, net of expenses (in shares)   235,126        
Stock-based compensation     466     466
Preferred stock dividends     (201)     (201)
Unrealized foreign exchange on intercompany loans       6,753   6,753
Translation adjustment       (6,812)   (6,812)
Loss for the period         (7,830) (7,830)
Balance at Dec. 31, 2019   $ 1 370,142 (819) (357,627) 11,697
Balance (in shares) at Dec. 31, 2019 335,537 859,998        
Issue of common stock, preferred stock, pre-funded warrants and warrants on equity financing, net of expenses   $ 4 21,441     21,445
Issue of common stock, preferred stock, pre-funded warrants and warrants on equity financing, net of expenses (in shares) 237,745 4,485,898        
Beneficial conversion feature of Series B preferred stock     3,775     3,775
Warrant exercise   $ 1 4,484     4,485
Warrant exercise (in shares)   901,000        
Stock-based compensation     430     430
Preferred stock dividends     (201)     (201)
Unrealized foreign exchange on intercompany loans       7,564   7,564
Translation adjustment       (7,491)   (7,491)
Loss for the period         (8,445) (8,445)
Balance at Dec. 31, 2020   $ 6 $ 400,071 $ (746) $ (366,072) $ 33,259
Balance (in shares) at Dec. 31, 2020 573,282 6,246,896