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v3.20.2

Debt (Narrative) (Details) | 6 Months Ended |  |
--- | --- | --- | ---
Jul. 31, 2020 USD ($) | Sep. 08, 2020 USD ($) | Feb. 01, 2020 USD ($)
Line of Credit Facility [Line Items] |  |  |
Line Of Credit Facility, Borrowing Capacity, Term | $ 15,000,000 |  |
Line of credit facility, period for reduced borrowings during fourth quarter of each fiscal year (consecutive days) | 30 days |  |
Revolving credit facility bears interest increased | 2.00% |  |
Interest rate | 4.50% |  |
Unused portion fee rate | 0.375% |  |
Inventory [Member] |  |  |
Line of Credit Facility [Line Items] |  |  |
Revolving credit facility borrowing base limitation | 60.00% |  |
Inventories [Member] |  |  |
Line of Credit Facility [Line Items] |  |  |
Revolving credit facility borrowing base limitation | 85.00% |  |
Maximum [Member] | Accounts receivable [Member] |  |  |
Line of Credit Facility [Line Items] |  |  |
Revolving credit facility borrowing base limitation | 85.00% |  |
Amendment No. 20 To Credit Facility [Member] |  |  |
Line of Credit Facility [Line Items] |  |  |
Maximum fixed charge coverage ratio |  |  | 1.10
Amendment No. 20 To Credit Facility [Member] | Maximum [Member] |  |  |
Line of Credit Facility [Line Items] |  |  |
Maximum capital expenditures |  |  | $ 8,000,000
Amendment No. 21 To Credit Facility [Member] | Subsequent Event |  |  |
Line of Credit Facility [Line Items] |  |  |
Non-refundable fee |  | $ 75,000 |
Amendment No. 21 To Credit Facility [Member] | Subsequent Event | Consecutive Four Fiscal Quarters Ending July 31, 2020 |  |  |
Line of Credit Facility [Line Items] |  |  |
Maximum fixed charge coverage ratio |  | 1.10 |
Amendment No. 21 To Credit Facility [Member] | Subsequent Event | Consecutive Four Fiscal Quarters Ending October 31, 2020 |  |  |
Line of Credit Facility [Line Items] |  |  |
Maximum fixed charge coverage ratio |  | 1.00 |
Amendment No. 21 To Credit Facility [Member] | Subsequent Event | Consecutive Four Fiscal Quarters Ending Thereafter |  |  |
Line of Credit Facility [Line Items] |  |  |
Maximum fixed charge coverage ratio |  | 1.10 |
Amendment No. 21 To Credit Facility [Member] | Minimum [Member] | Consecutive Four Fiscal Quarters Ending Thereafter |  |  |
Line of Credit Facility [Line Items] |  |  |
Maximum fixed charge coverage ratio | 1.00 |  |
Amendment No. 21 To Credit Facility [Member] | Maximum [Member] | Consecutive Four Fiscal Quarters Ending Thereafter |  |  |
Line of Credit Facility [Line Items] |  |  |
Maximum fixed charge coverage ratio | 1.10 |  |
PNC [Member] | Revolving Credit Facility [Member] |  |  |
Line of Credit Facility [Line Items] |  |  |
Remaining borrowing capacity | $ 32,896,000 |  |
PNC [Member] | Revolving Credit Facility [Member] | Amendment No. 19 to Credit Facility [Member] |  |  |
Line of Credit Facility [Line Items] |  |  |
Line of credit facility, maximum borrowing capacity | 65,000,000 |  |
PNC [Member] | Equipment Loan [Member] | Amendment No. 19 to Credit Facility [Member] |  |  |
Line of Credit Facility [Line Items] |  |  |
Line of credit facility, maximum borrowing capacity | 10,000,000 |  |
Line of credit facility, Equipment financing | $ 2,000,000 |  |
Eurodollar [Member] | Minimum [Member] |  |  |
Line of Credit Facility [Line Items] |  |  |
Revolving credit facility bears interest range of | 2.25% |  |
Eurodollar [Member] | Maximum [Member] |  |  |
Line of Credit Facility [Line Items] |  |  |
Revolving credit facility bears interest range of | 2.75% |  |
Alternate Base Rate Loans [Member] | London Interbank Offered Rate LIBOR [Member] | Minimum [Member] |  |  |
Line of Credit Facility [Line Items] |  |  |
Revolving credit facility bears interest range of | 1.25% |  |
Alternate Base Rate Loans [Member] | London Interbank Offered Rate LIBOR [Member] | Maximum [Member] |  |  |
Line of Credit Facility [Line Items] |  |  |
Revolving credit facility bears interest range of | 1.75% |  |

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