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Accrued and Other Current Liabilities - Schedule of Accrued and Other Current Liabilities (Detail) - USD ($)
$ in Thousands
Apr. 30, 2019
Jan. 31, 2019
Payables And Accruals [Abstract]    
Accrued employee compensation $ 8,928 $ 10,645
Accrued rebates 236 311
Accrued product development costs 7,023 6,393
Software license liabilities, current 4,220 4,879
Other accrued liabilities 2,116 2,472
Total accrued and other current liabilities $ 22,523 $ 24,700