Note 16 - Income Taxes - Income Taxes Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2022	Jan. 31, 2021
Domestic	$ (11,618)	$ (8,851)
Foreign	(2,000)	(4,615)
Loss from continuing operations before income taxes	(13,618)	(13,466)
Domestic	27	22
Foreign	40	515
Current Income Tax Expense (Benefit), Total	67	537
Domestic	0	0
Foreign	(106)	(1)
Deferred Income Tax Expense (Benefit), Total	(106)	(1)
Income Tax Expense (Benefit), Total	$ (39)	$ 536