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Consolidated Statements of Equity - USD ($)
$ in Thousands
Total
Common Stock [Member]
Additional Paid-in Capital [Member]
Accumulated Other Comprehensive (Loss) Income [Member]
Retained Earnings [Member]
Beggining Balance at Dec. 31, 2016 $ 60,002 $ 24,954 $ 1,392 $ (541) $ 34,197
Beggining Balance (in shares) at Dec. 31, 2016   38,882,945      
Shares issued pursuant to public offering, net of issuance costs 9,769 $ 9,769      
Shares issued pursuant to public offering, net of issuance costs (in shares)   2,500,000      
Shares issued on exercise of stock options (note 16) 59 $ 59      
Shares issued on exercise of stock options (note 16) (in shares)   91,667      
Issuance of warrants for common shares 148   148    
Share-based compensation (note 16) 1,519 $ 1,333 186    
Share-based compensation (note 16) (in shares)   768,000      
Cumulative translation adjustment 150     150  
Net income (Loss) (4,757)       (4,757)
Ending Balance at Dec. 31, 2017 66,890 $ 36,115 1,726 (391) 29,440
Ending Balance (in shares) at Dec. 31, 2017   42,242,612      
Shares issued pursuant to public offering, net of issuance costs 15,737 $ 15,737      
Shares issued pursuant to public offering, net of issuance costs (in shares)   3,097,200      
Shares issued pursuant to private placement of common shares, net of issuance costs 7,755 $ 7,755      
Shares issued pursuant to private placement of common shares, net of issuance costs (in shares)   1,886,793      
Shares issued on exercise of stock options (note 16) 283 $ 434 (151)    
Shares issued on exercise of stock options (note 16) (in shares)   365,733      
Share-based compensation (note 16) 1,454 $ 831 623    
Share-based compensation (note 16) (in shares)   50,334      
Cumulative translation adjustment (171)     (171)  
Net income (Loss) (7,515)       (7,515)
Ending Balance at Dec. 31, 2018 84,433 $ 60,872 2,198 (562) 21,925
Ending Balance (in shares) at Dec. 31, 2018   47,642,672      
Shares issued pursuant to public offering, net of issuance costs 34,225 $ 34,225      
Shares issued pursuant to public offering, net of issuance costs (in shares)   4,059,000      
Shares issued on exercise of stock options (note 16) 208 $ 324 (116)    
Shares issued on exercise of stock options (note 16) (in shares)   212,332      
Share-based compensation (note 16) 4,715 $ 2,298 2,417    
Share-based compensation (note 16) (in shares)   442,665      
Warrants 466 $ 614 (148)    
Warrants (in shares)   300,000      
Cumulative translation adjustment 87     87  
Net income (Loss) 2,325       2,325
Ending Balance at Dec. 31, 2019 $ 126,459 $ 98,333 $ 4,351 $ (475) $ 24,250
Ending Balance (in shares) at Dec. 31, 2019   52,656,669