Note 12 - Stockholders' Equity (Details Textual) $ / shares in Units, $ in Millions		12 Months Ended
	Sep. 28, 2023 shares	Jan. 31, 2024 USD ($) $ / shares shares	Jan. 31, 2023 $ / shares shares	Jan. 31, 2022 $ / shares	Sep. 27, 2023 shares
Preferred Stock, Shares Authorized (in shares)		2,000,000	2,000,000
Preferred Stock, Shares Outstanding (in shares)		1,683,000	1,683,000
Common Stock, Shares, Issued (in shares)	1,405,779	1,405,779	1,599,053		13,788,738
Common Stock, Shares Authorized (in shares)		40,000,000	40,000,000
Treasury Stock, Common and Preferred, Shares (in shares)		0	193,274
Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation (in shares)			220
Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation, Average Fair Value (in dollars per share) | $ / shares			$ 12.5
Common Stock, Shares, Outstanding (in shares)	1,405,779				13,788,738
Reverse Stock Split [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	10
Series A Preferred Stock [Member]
Preferred Stock, Shares Outstanding (in shares)		1,682,985	1,682,985
Preferred Stock, Dividend Rate, Percentage		9.00%
Preferred Stock, Liquidation Preference Per Share (in dollars per share) | $ / shares		$ 25
Preferred Stock, Dividend Rate, Per-Dollar-Amount (in dollars per share) | $ / shares		2.25
Preferred Stock, Redemption Price Per Share (in dollars per share) | $ / shares		$ 25		$ 25
Preferred Stock Redemption Period (Day)				120 days
Preferred Stock, Liquidation Preference, Value | $		$ 47.7
Cumulative Dividends | $		$ 5.7
Preferred Stock, Voting Rights, Number of Quarterly Dividends Periods, Threshold				6
Minimum Period Of Time For Listing (Year)				180 years