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Note 15 - Noncontrolling Interests (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 01, 2023
Jul. 31, 2023
Jul. 31, 2022
Jul. 31, 2023
Jul. 31, 2022
Jan. 31, 2023
Redeemable Noncontrolling Interest, Equity, Carrying Amount   $ 1,735   $ 1,735   $ 0
Net Income (Loss) Attributable to Noncontrolling Interest   148 $ 0 148 $ 0  
Related Party [Member] | Other Noncurrent Liabilities [Member]            
Notes Payable   2,700   $ 2,700    
Gulf Insulation Group [Member]            
Net Income (Loss) Attributable to Noncontrolling Interest   $ 100 $ 0      
Joint Venture [Member]            
Subsidiary, Ownership Percentage, Parent 60.00%          
Assets Transferred To Acquire Noncontrolling Interest $ 2,700          
Joint Venture [Member] | Gulf Insulation Group [Member]            
Assets Transferred To Acquire Noncontrolling Interest $ 2,700          
Subsidiary, Ownership Percentage, Noncontrolling Owner 40.00%