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CAPITAL STOCK and EARNINGS PER SHARE - Additional Information (Details)
Mar. 31, 2021
series
shares
Mar. 31, 2020
series
shares
EARNINGS PER SHARE (EPS)    
Number of authorized common shares 90,000,000 90,000,000
Number of outstanding common shares 29,498,662 29,354,594
Preferred stock, shares authorized 10,000,000 10,000,000
Number of series of preferred stock | series 1 1
Shares of preferred stock outstanding 0 0