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Goodwill and Intangible Assets, Goodwill (Details) - USD ($)
12 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Goodwill [Roll Forward]    
Balance at beginning of period $ 2,551,000 $ 2,551,000
Goodwill acquired 654,000 0
Translation adjustment 0 0
Impairment 0 0
Balance at end of period $ 3,205,000 $ 2,551,000