Note 3 - Recently Issued Accounting Standards (Details Textual) - USD ($)	Dec. 31, 2019	Apr. 01, 2019	Mar. 31, 2019	[1]
Operating Lease, Liability, Total	$ 174,916	$ 298,983
Operating Lease, Right-of-Use Asset	$ 151,749	$ 261,644

[1] The March 31, 2019 Balance Sheet is derived from the audited financial statements contained in our Annual Report on Form 10-K for the fiscal year ended March 31, 2019.