v3.21.2
Discontinued Operations - Results of Discontinued Operations (Detail) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Oct. 31, 2020
Oct. 31, 2020
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]    
Net sales   $ 407
Cost of sales   319
Gross profit   88
Selling, general and administrative expenses   198
Operating loss   (110)
Other income (expense), net $ 51 (75)
Income (loss) from discontinued operations before income taxes 51 (185)
Net income (loss) from discontinued operations 51 (185)
Verykool [Member]    
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]    
Selling, general and administrative expenses   6
Operating loss   (6)
Other income (expense), net 51 54
Income (loss) from discontinued operations before income taxes 51 48
Net income (loss) from discontinued operations $ 51 48
Verablue Caribbean [Member]    
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]    
Net sales   407
Cost of sales   319
Gross profit   88
Selling, general and administrative expenses   192
Operating loss   (104)
Other income (expense), net   (129)
Income (loss) from discontinued operations before income taxes   (233)
Net income (loss) from discontinued operations   $ (233)