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Income Taxes - Schedule of Income From Continuing Operations Before Income Taxes (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Mar. 31, 2016
Loss before income taxes      
United States $ (11,926) $ (10,967) $ (3,874)
Foreign 325 (518) 115
Loss before taxes $ (11,601) $ (11,485) $ (3,759)