SeaChange International, Inc. Quarterly report pursuant to Section 13 or 15(d)

Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2022	Oct. 31, 2021
Income Taxes Disclosure [Line Items]
Income tax (benefit) provision	$ 3	$ (26)	$ 7	$ 23
Maximum [Member]
Income Taxes Disclosure [Line Items]
Income tax (benefit) provision	$ (100)	$ (100)	$ (100)	$ (100)

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.