XML 157 R107.htm IDEA: XBRL DOCUMENT v3.19.1
FINANCIAL INSTRUMENTS (Details 2) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Disclosure of amounts to be recovered or settled after twelve months for classes of assets and liabilities that contain amounts to be recovered or settled both no more and more than twelve months after reporting date [line items]      
Cash $ 3,252 $ 3,420 $ 11,780
Amounts receivable 4,091 4,635 3,050
Long-term investments 10 34 27
Warrant liability 2,009 $ 1,161 $ 1,630
Level 1 of fair value hierarchy [Member]      
Disclosure of amounts to be recovered or settled after twelve months for classes of assets and liabilities that contain amounts to be recovered or settled both no more and more than twelve months after reporting date [line items]      
Cash 3,252    
Amounts receivable    
Long-term investments 10    
Warrant liability    
Total financial assets and liabilities 3,262    
Level 2 of fair value hierarchy [Member]      
Disclosure of amounts to be recovered or settled after twelve months for classes of assets and liabilities that contain amounts to be recovered or settled both no more and more than twelve months after reporting date [line items]      
Cash    
Amounts receivable 4,091    
Long-term investments    
Warrant liability    
Total financial assets and liabilities 4,091    
Level 3 of fair value hierarchy [Member]      
Disclosure of amounts to be recovered or settled after twelve months for classes of assets and liabilities that contain amounts to be recovered or settled both no more and more than twelve months after reporting date [line items]      
Cash    
Amounts receivable    
Long-term investments    
Warrant liability (2,009)    
Total financial assets and liabilities $ (2,009)