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Condensed Consolidated Statement of Stockholders' Equity (Unaudited) (Parentheticals)
3 Months Ended
Jun. 30, 2020
USD ($)
$ / shares
Additional Paid-in Capital [Member]  
Shares issued, offering cost | $ $ 680,952
Common Stock [Member]  
Shares issued, offering cost per share (in dollars per share) | $ / shares $ 5.00