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Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 12 Months Ended
Jan. 31, 2021
Jan. 31, 2020
Jan. 31, 2019
Cash Flows from Operating Activities:      
Net Income $ 1,284 $ 1,759 $ 5,730
Adjustments to Reconcile Net Income to Net Cash Provided By Operating Activities:      
Depreciation and Amortization 5,983 6,284 6,152
Amortization of Debt Issuance Costs 75 49 51
Share-Based Compensation 1,819 1,775 1,886
Deferred Income Tax Provision (Benefit) (1,021) (1,638) (1,638)
Changes in Assets and Liabilities:      
Accounts Receivable 2,702 3,594 (1,493)
Inventories 4,247 (3,938) (2,872)
Accounts Payable and Accrued Expenses (57) (2,732) (2,342)
Income Taxes Payable 1,482 (1,773) (151)
Other (970) (156) (318)
Net Cash Provided by Operating Activities 15,544 3,224 5,005
Cash Flows from Investing Activities:      
Proceeds from Sales/Maturities of Securities Available for Sale     1,511
Cash Paid for Honeywell Asset Purchase and License Agreement     (400)
Additions to Property, Plant and Equipment (2,587) (2,906) (2,645)
Net Cash Used by Investing Activities (2,587) (2,906) (1,534)
Cash Flows from Financing Activities:      
Net Proceeds Employee Stock Option Plans 9 654 1,228
Net Cash Proceeds from Share Purchases under Employee Stock Purchase Plan 95 128 82
Net Cash Used for Payment of Taxes Related to Vested Restricted Stock (111) (469) (233)
Net (Repayments)/Borrowings under Revolving Credit Facility (6,500) 5,000 1,500
Payment of Minimum Guarantee Royalty Obligation (2,000) (1,875) (1,625)
Proceeds from Long-Term Debt – PPP Loan 4,422    
Proceeds from Long-Term Debt Borrowings 15,232    
Payoff of Long-Term Debt (11,732)    
Principal Payments on Long-Term Debt (3,958) (5,208) (5,130)
Payments of Debt Issuance Costs (100)    
Dividends Paid (497) (1,972) (1,933)
Net Cash Used by Financing Activities (5,140) (3,742) (6,111)
Effect of Foreign Exchange Rate Changes on Cash and Cash Equivalents (627) 139 (3)
Net Increase (Decrease) in Cash and Cash Equivalents 7,190 (3,285) (2,643)
Cash and Cash Equivalents, Beginning of Year 4,249 7,534 10,177
Cash and Cash Equivalents, End of Year 11,439 4,249 7,534
Supplemental Information:      
Interest 677 531 636
Income Taxes, Net of Refunds $ 446 2,913 3,472
Schedule of non-cash financing activities:      
Value of Shares Received in Satisfaction of Option Exercise Price   $ 11 $ 366