Annual report pursuant to Section 13 and 15(d)

Income Taxes - Income Tax (Benefit) Provision for Continuing Operations Computed Using Federal Statutory Income Tax Rate (Detail)

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Income Taxes - Income Tax (Benefit) Provision for Continuing Operations Computed Using Federal Statutory Income Tax Rate (Detail) - USD ($)
$ in Thousands
12 Months Ended
Jan. 31, 2019
Jan. 31, 2018
Income Tax Disclosure [Abstract]    
Statutory U.S. federal tax rate $ (8,404) $ 415
State taxes, net of federal tax benefit 5 (4)
Income not benefitted 3,664 481
Non-deductible stock compensation expense 267 158
Other non-deductible items 147 (46)
Innovative technology and development incentive (317)  
Foreign tax rate differential (388) (2,014)
Outside basis difference in foreign subsidiaries   (14,675)
Goodwill impairment 3,647  
Tax Reform Act   3,882
Current fiscal year impact of FIN 48 (639) (469)
Income tax benefit $ (2,018) $ (12,272)