Note 12 - Stockholders' Equity (Details Textual) $ / shares in Units, $ in Millions			12 Months Ended
	Sep. 04, 2024 USD ($) shares	Sep. 28, 2023 shares	Jan. 31, 2024 $ / shares shares	Jan. 31, 2025 $ / shares shares	Aug. 29, 2024 $ / shares	Sep. 27, 2023 shares	Jan. 31, 2023 shares
Preferred Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares			$ 1	$ 1	$ 1
Preferred Stock, Convertible, Conversion Ratio					3.9
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares			$ 0.01	$ 0.01	$ 0.01
Treasury Stock Reissued at Lower than Repurchase Price, Conversion of Convertible Securities | $	$ 14.8
Common Stock, Shares, Issued (in shares)		1,405,779	1,405,779	7,969,421		13,788,738
Common Stock, Shares Authorized (in shares)			40,000,000	40,000,000			40,000,000
Common Stock, Shares, Outstanding (in shares)		1,405,779				13,788,738
Reverse Stock Split [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio		10
Conversion of Series A Preferred Stock Into Common Stock [Member]
Conversion of Stock, Shares Issued (in shares)	6,600,000
Series A Preferred Stock [Member]
Preferred Stock, Dividend Rate, Percentage			9.00%