Annual reports filed by certain Canadian issuers pursuant to Section 15(d) and Rule 15d-4

Note 14 - Related Party Transactions - Compensation of Key Management Personnel (Details)

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Note 14 - Related Party Transactions - Compensation of Key Management Personnel (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Officers [Member]      
Statement Line Items [Line Items]      
Salaries and short-term employee benefits $ 1,605 $ 1,543 $ 1,457
Stock-based compensation 371 1,191 1,871
1,976 2,734 3,328
Directors [Member]      
Statement Line Items [Line Items]      
Stock-based compensation 128 157 273
368 397 512
Directors’ fees $ 240 $ 240 $ 239