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Unaudited Consolidated Statements of Changes in Stockholders' Equity - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-in Capital
Accumulated Deficit
Accumulated Other Comprehensive Loss
Beginning balance (shares) at Jan. 31, 2022   16,102,023      
Beginning balance at Jan. 31, 2022 $ 47,446 $ 161 $ 120,492 $ (67,178) $ (6,029)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Net income (loss) 12,471     12,471  
Pension adjustments, net of tax effect 3,815       3,815
Shares vested and others (shares)   108,962      
Shares vested and others (213) $ 1 (214)    
Stock compensation expense $ 509   509    
Ending balance (shares) at Oct. 31, 2022 16,210,985 16,210,985      
Ending balance at Oct. 31, 2022 $ 64,028 $ 162 120,787 (54,707) (2,214)
Beginning balance (shares) at Jul. 31, 2022   16,210,985      
Beginning balance at Jul. 31, 2022 52,505 $ 162 120,684 (62,582) (5,759)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Net income (loss) 7,875     7,875  
Pension adjustments, net of tax effect 3,545       3,545
Shares vested and others (shares)   0      
Shares vested and others 0 $ 0 0    
Stock compensation expense $ 103   103    
Ending balance (shares) at Oct. 31, 2022 16,210,985 16,210,985      
Ending balance at Oct. 31, 2022 $ 64,028 $ 162 120,787 (54,707) (2,214)
Beginning balance (shares) at Jan. 31, 2023 16,210,985 16,210,985      
Beginning balance at Jan. 31, 2023 $ 68,061 $ 162 120,890 (50,631) (2,360)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Net income (loss) 24,252     24,252  
Pension adjustments, net of tax effect 1,163       1,163
Shares vested and others (shares)   136,329      
Shares vested and others (110) $ 2 (112)    
Stock compensation expense $ 423   423    
Ending balance (shares) at Oct. 31, 2023 16,347,314 16,347,314      
Ending balance at Oct. 31, 2023 $ 93,789 $ 164 121,201 (26,379) (1,197)
Beginning balance (shares) at Jul. 31, 2023   16,347,314      
Beginning balance at Jul. 31, 2023 82,295 $ 164 121,030 (36,539) (2,360)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Net income (loss) 10,160     10,160  
Pension adjustments, net of tax effect 1,163       1,163
Shares vested and others (shares)   0      
Shares vested and others 0 $ 0 0    
Stock compensation expense $ 171   171    
Ending balance (shares) at Oct. 31, 2023 16,347,314 16,347,314      
Ending balance at Oct. 31, 2023 $ 93,789 $ 164 $ 121,201 $ (26,379) $ (1,197)