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Note 11 - Income Taxes (Details Textual) - USD ($)	3 Months Ended		9 Months Ended
	Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2021	Oct. 31, 2020
Income Tax Expense (Benefit), Total	$ 59,000	$ 109,000	$ 111,000	$ (79,000)
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total	(2,020,000)	(2,261,000)	(8,408,000)	(10,772,000)
Deferred Tax Liabilities, Undistributed Foreign Earnings	0		0
Unrecognized Tax Benefits, Ending Balance	$ 0	$ 0	$ 0	$ 0

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Amount of deferred tax liability attributable to taxable temporary differences from undistributed earnings of subsidiary and other recognized entity not within country of domicile. Includes, but is not limited to, other basis differences.

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