Annual report pursuant to Section 13 and 15(d)

Note 10 - Trade and Other Payables (Details Textual)

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Note 10 - Trade and Other Payables (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
May 10, 2019
Mar. 31, 2019
General and Administrative Expense [Member]    
Litigation Settlement, Expense   $ 790
Former Chief Executive Officer [Member]    
Stock Issued During Period, Shares, Settlements (in shares) 900,000  
Shares Issued, Price Per Share (in dollars per share) $ 1.10  
Legal Fees $ 52