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Note 5 - Restricted Cash to support appeal bond	9 Months Ended
Note 5 - Restricted Cash to support appeal bond	Dec. 31, 2018
Cash and Cash Equivalents [Abstract]
Cash and Cash Equivalents Disclosure [Text Block]	Note 5 – Restricted Cash to support appeal bond The Company transferred $2,000,000 to a restricted cash account to secure a letter of credit which was used for collateral for the appeal bond (See Notes 13 and 15).