Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Note 13 - Capital and Other Components of Equity (Details Textual)

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Note 13 - Capital and Other Components of Equity (Details Textual)
1 Months Ended 12 Months Ended 13 Months Ended
Jan. 22, 2018
CAD ($)
shares
Jan. 22, 2018
USD ($)
shares
Dec. 27, 2017
CAD ($)
$ / shares
shares
Dec. 27, 2017
USD ($)
shares
Feb. 21, 2017
CAD ($)
$ / shares
shares
Mar. 31, 2017
CAD ($)
$ / shares
Mar. 31, 2018
CAD ($)
$ / shares
shares
Mar. 31, 2018
USD ($)
shares
Feb. 28, 2017
CAD ($)
$ / shares
Feb. 28, 2017
USD ($)
Feb. 29, 2016
CAD ($)
Mar. 31, 2017
CAD ($)
$ / shares
Mar. 31, 2017
USD ($)
Mar. 31, 2018
$ / shares
Dec. 27, 2017
$ / shares
shares
Statement Line Items [Line Items]                              
Number of units issued during period | shares     9,900,990 9,900,990 3,930,518                    
Unit issued, price per unit | (per share)         $ 1.45                   $ 1.01
Proceeds from issuing units     $ 12,600,000 $ 10,000,000 $ 5,699,000                    
Number of shares called by warrants | shares     495,050   234,992                   495,050
Exercise price, warrants issued       1.2625 $ 2.15                    
Proceeds from exercise of warrants           $ 384,000          
Warrant costs     $ 406,000                        
Unit, shares of class A share | shares         1                    
Unit, shares of class A share purchase warrant | shares         0.5                    
Number of shares called by each warrant | shares     1   1                   1
Unit issuance costs         $ 1,190,000                    
Warrants and rights outstanding         144,000                    
Weighted average share price         $ 2.65                    
Increase (decrease) from equity settled non-employee share-based payment, shares | shares         60,000                    
Share issued, price per share | $ / shares         $ 1.57                    
Increase (decrease) from equity settled non-employee share-based payment         $ 94,000             94,000      
Share-based payment costs allocated to share capital         85,000                    
Share-based payment costs allocated to debt         $ 9,000                    
Public offering warrants 2017 related to liability [member]                              
Statement Line Items [Line Items]                              
Exercise price, warrants issued               $ 1.26              
Series 8 December 2013 Public offering warrants related to liability [member]                              
Statement Line Items [Line Items]                              
Warrants and rights outstanding [1]           209,000 21,000   187,000   156,000 209,000      
Exercise price for 10 warrants | $ / shares                           $ 15  
Series 2017-BW Broker warrants related to equity [member]                              
Statement Line Items [Line Items]                              
Warrants exercised, equity shares issued, amount             71,000                
Exercise price, warrants issued             2.15                
Warrants and rights outstanding [2]           144,000   144,000   144,000      
Warrants exercised, equity shares issued | shares             117,496 117,496              
Warrants expired | shares             117,496 117,496              
Public offering warrants February 2017, equity portion [member]                              
Statement Line Items [Line Items]                              
Warrants exercised, equity shares issued, amount             $ 132,000                
Exercise price, warrants issued               $ 1.2625              
Warrants and rights outstanding [3]                    
Warrants exercised, equity shares issued | shares             61,225 61,225              
Series December 2017 US Broker warrants, equity portion [member]                              
Statement Line Items [Line Items]                              
Exercise price, warrants issued             $ 2.15                
Warrants and rights outstanding [4]           406,000          
The 2017 Unsecured convertible debenture conversion option and contingent warrant related to equity [member]                              
Statement Line Items [Line Items]                              
Exercise price, warrants issued             1.90                
Warrants and rights outstanding [5]           309,000 309,000   309,000   309,000      
Deferred tax expense (income)             129,000                
Series 9 Private Placement warrants 2013 related to equity [member]                              
Statement Line Items [Line Items]                              
Exercise price, warrants issued             13.30                
Warrants and rights outstanding [6]                    
Additional paid-in capital [member]                              
Statement Line Items [Line Items]                              
Warrant costs             $ 144                
Underwriter [member]                              
Statement Line Items [Line Items]                              
Exercise price, warrants issued       $ 1.26                      
Underwriter [member] | Exercised portion of a over-allotment option [member]                              
Statement Line Items [Line Items]                              
Number of shares called by warrants | shares 766,179 766,179                          
Exercise price, warrants issued   $ 1.01                          
Proceeds from exercise of warrants $ 963,000 $ 773,000                          
Underwriter [member]                              
Statement Line Items [Line Items]                              
Warrants exercised, equity shares issued, amount     $ 0                        
Number of shares called by warrants | shares     892,044                       892,044
Warrant liabilities issued December 27, 2017 [member]                              
Statement Line Items [Line Items]                              
Number of units issued during period | shares     8,910,891 8,910,891                      
Exercise price, warrants issued               $ 1.26          
Fair value per shares issuable warrants | $ / shares     $ 0.60     $ 0 $ 0.65   $ 0     $ 0      
Number of shares called by each warrant | shares     1                       1
Derivative warrant liabilities [member]                              
Statement Line Items [Line Items]                              
Total financial liabilities at fair value through profit or loss             $ 5,900,000                
Warrant costs             $ 2,700,000                
Class A shares [member]                              
Statement Line Items [Line Items]                              
Number of units issued during period | shares     9,900,990 9,900,990                      
Class B shares [Member]                              
Statement Line Items [Line Items]                              
Non-cumulative dividend rate             5.00%                
Conversion ratio             1 1              
Redeemable price per share | $ / shares             $ 0.80                
Number of shares outstanding at end of period | shares             0                
Total number of shares issued | shares             0                
Class C shares [Member]                              
Statement Line Items [Line Items]                              
Non-cumulative dividend rate             5.00%                
Conversion ratio             1 1              
Redeemable price per share | $ / shares             $ 0.20                
Number of shares outstanding at end of period | shares             0                
Total number of shares issued | shares             0                
Class D and E shares [Member]                              
Statement Line Items [Line Items]                              
Conversion ratio             1 1              
Number of shares outstanding at end of period | shares             0                
Total number of shares issued | shares             0                
Class D and E shares [Member] | Bottom of range [member]                              
Statement Line Items [Line Items]                              
Non-cumulative dividend rate             0.50%                
Class D and E shares [Member] | Top of range [member]                              
Statement Line Items [Line Items]                              
Non-cumulative dividend rate             2.00%                
Class A shares [member]                              
Statement Line Items [Line Items]                              
Number of shares outstanding at end of period | shares             0                
Total number of shares issued | shares             0                
[1] In order to obtain one Common Share of the Corporation at an exercise price of US$15.00, 10 warrants must be exercised. Warrants expire on December 3, 2018.
[2] Warrant to acquire one Common Share of the Corporation at an excersise price of 2.15 expiring on February 21, 2018. 117,496 warrants amounted to $71 were exercised in November 2017 and 117,496 warrants expired on February 21, 2018.
[3] Warrant to acquire one Common Share of the Corporation at an exercise price of US$1.2625, expiring on December 27, 2022. 61,225 warrants amounted to $132 were exercised in November 2017.
[4] Warrant to acquire one Common Share of the Corporation at an exercise price of $2.15, expiring on February 21, 2022.
[5] Warrant to acquire one Common Share of the Corporation at an exercise price of $1.90 expiring on February 21, 2020, net of deferred tax expense of $129.
[6] Warrant to acquire one Common Share of the Corporation at an exercise price of $13.30, expiring on December 3, 2018.