Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($)	Dec. 31, 2019	Mar. 31, 2019
Accumulated depreciation	$ 460,039	$ 194,226
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	100,000,000	100,000,000
Common stock, shares issued (in shares)	7,320,858	7,184,858
Common stock, shares outstanding (in shares)	7,320,858	7,184,858
Series A Preferred Stock [Member]
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	20,000,000	20,000,000
Preferred stock, shares issued (in shares)	19,999,998	19,999,998
Preferred stock, shares outstanding (in shares)	19,999,998	19,999,998
Series B Preferred Stock [Member]
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	5,000,000	5,000,000
Preferred stock, shares issued (in shares)	3,910,000	1,365,625
Preferred stock, shares outstanding (in shares)	3,910,000	1,365,625

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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