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

Note 9 - Share Capital - Loss Per Share (Details)

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Note 9 - Share Capital - Loss Per Share (Details) - shares
shares in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Statement Line Items [Line Items]      
Issued common shares, beginning of year (in shares) 15,722 12,048 11,700
Effect of ATM issuances (in shares) 6,402 695
Effect of shares issued pursuant to share purchase agreement (in shares) 113
Effect of RSU redemptions (in shares) 76
Effect of warrant exercises (in shares) 49
Effect of option and DSU exercises (in shares) 103
Effect of promissory note conversions (in shares) 54
Balance, end of year (in shares) 22,313 12,743 11,906