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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) (5,084)     (5,084)  
Pension adjustments, net of tax effect 135       135
Stock compensation expense $ 253   253    
Ending balance (shares) at Apr. 30, 2022 16,102,023 16,102,023      
Ending balance at Apr. 30, 2022 $ 42,750 $ 161 120,745 (72,262) (5,894)
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) (1,442)     (1,442)  
Pension adjustments, net of tax effect 0       0
Stock compensation expense $ 103   103    
Ending balance (shares) at Apr. 30, 2023 16,210,985 16,210,985      
Ending balance at Apr. 30, 2023 $ 66,722 $ 162 $ 120,993 $ (52,073) $ (2,360)