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Consolidated Balance Sheets (Parenthetical) - $ / shares
Mar. 31, 2019
Mar. 31, 2018
Statement of Financial Position [Abstract]    
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 20,000,000 20,000,000
Common stock, shares issued 3,801,874 3,801,874
Common stock, shares outstanding 3,801,874 3,801,874
Treasury shares 5,049 5,049