Annual report pursuant to Section 13 and 15(d)

Note 12 - Unsecured Convertible Debentures (Details Textual)

v3.20.2
Note 12 - Unsecured Convertible Debentures (Details Textual)
$ / shares in Units, $ / shares in Units, $ in Thousands, $ in Thousands
Feb. 21, 2017
USD ($)
$ / shares
shares
Feb. 21, 2017
CAD ($)
Mar. 31, 2020
$ / shares
Feb. 21, 2017
CAD ($)
$ / shares
shares
Warrants Issued in Connection with Private Placement [Member]        
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) | shares 1,052,630     1,052,630
Class of Warrant or Right, Exercise Price of Warrants or Rights (in CAD per share)     $ 1.90 $ 1.90
Unsecured Convertible Debentures [Member]        
Debt Instrument, Face Amount $ 1,522     $ 2,000
Debt Instrument, Convertible, Conversion Price (in CAD per share)       $ 1.90
Debt Instrument, Discount Rate 3.50%     3.50%
Proceeds from Issuance of Unsecured Debt $ 1,469 $ 1,930    
Debt Instrument, Accelerated Conversion Right, Period After Issuance (Month) 120 days 120 days    
Debt Instrument, Accelerated Conversion Right, Minimum Average Share Price, 20 Consecutive Trading Days (in CAD per share)       $ 2.65
Debt Instrument, Interest Rate, Stated Percentage 8.00%     8.00%
Debt Instrument, Interest, Payment in Shares, Floor Price (in dollars per share) $ 0.10      
Unsecured Convertible Debentures [Member] | Measurement Input, Discount Rate [Member] | Valuation Technique, Discounted Cash Flow [Member]        
Long-term Debt, Measurement Input 20     20