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

Note 12 - Derivative Warrant Liabilities (Details Textual)

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Note 12 - Derivative Warrant Liabilities (Details Textual)
Dec. 03, 2018
shares
Warrant liabilities issued December 3, 2013 [member]  
Statement Line Items [Line Items]  
Number of required warrants to be exercised to obtain one common share 10