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15. Commitments and Contingent Liabilities (Details Narrative) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Commitments And Contingent Liabilities Details Narrative        
Rent expense $ 441 $ 299 $ 818 $ 596