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Cash and Cash Equivalents (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Mar. 31, 2019
Mar. 31, 2018
Mar. 31, 2017
Cash and Cash Equivalents [Abstract]        
Cash on hand $ 12 $ 1    
Bank deposits 7,748 6,874    
Short term investments 1,067 1,952    
Total cash and cash equivalent $ 8,827 $ 8,827 $ 11,267 $ 10,028