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CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
Sep. 30, 2021
Mar. 31, 2021
CONSOLIDATED BALANCE SHEETS    
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized 20,000,000 20,000,000
Common stock, shares issued 2,312,887 2,312,887
Common stock, shares outstanding 2,312,887 2,312,887