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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) - USD ($)
6 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Cash paid during the year for:    
Interest (net of amounts capitalized) $ 78,834 $ 128,267
Income taxes $ 0 $ 0
SUPPLEMENTAL INFORMATION - NONCASH INVESTING AND FINANCING TRANSACTIONS:    
Options exercised to purchase common stock 150,000  
Common stock, par value (in dollars per share) $ 0.0001