Note 10- Subsequent Events (Details Textual) - USD ($) shares in Millions		9 Months Ended
May 06, 2020	Dec. 31, 2020
Subsequent Event [Member]
Proceeds from Paycheck Protection Program Under CARES Act	$ 263,000
Forecast [Member] \| BlockCerts Blockchain Limited BVI [Member]
Stock Issued During Period, Shares, Issued for Services (in shares)		7

Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders.

No definition available.

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Period Type:	duration