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Goodwill and Intangible Assets (Details 1) - Trade Names [Member] - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Indefinite-lived Intangible Assets [Line Items]    
Balance $ 4,637
Finalization of purchase price allocation of Slacker (see Note 5)   4,637
Acquisitions  
Impairment losses
Balance $ 4,637 $ 4,637