XML 48 R38.htm IDEA: XBRL DOCUMENT v3.21.2
Debt (Narrative) (Details)
 6 Months Ended
Dec. 11, 2020
USD ($)
Jul. 31, 2021
USD ($)
Oct. 31, 2020
Oct. 30, 2020
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%        
Unused portion fee rate   0.375%        
Minimum coverage ratio 1.10          
Consecutive Four Fiscal Quarters Ending Thereafter            
Line of Credit Facility [Line Items]            
Minimum fixed charge coverage ratio     1.00 1.10    
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]            
Line of Credit Facility [Line Items]            
Covenant compliance, adjusted EBITDA $ 2,000,000          
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]            
Minimum 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]            
Line of Credit Facility [Line Items]            
Non-refundable fee         $ 75,000  
Amendment No. 21 To Credit Facility [Member] | Consecutive Four Fiscal Quarters Ending July 31, 2020            
Line of Credit Facility [Line Items]            
Minimum fixed charge coverage ratio         1.00  
Amendment No. 21 To Credit Facility [Member] | Consecutive Four Fiscal Quarters Ending October 31, 2020            
Line of Credit Facility [Line Items]            
Minimum fixed charge coverage ratio         1.00  
Amendment No. 21 To Credit Facility [Member] | Consecutive Four Fiscal Quarters Ending Thereafter            
Line of Credit Facility [Line Items]            
Minimum fixed charge coverage ratio         1.10  
Amendment No. 22 To Credit Facility [Member]            
Line of Credit Facility [Line Items]            
Non-refundable fee $ 40,000          
Minimum coverage ratio 1.10          
Amendment No. 22 To Credit Facility [Member] | Maximum [Member]            
Line of Credit Facility [Line Items]            
Covenant compliance, adjusted EBITDA $ 2,000,000          
PNC [Member] | Revolving Credit Facility [Member]            
Line of Credit Facility [Line Items]            
Remaining borrowing capacity   $ 41,182,000        
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]            
Line of Credit Facility [Line Items]            
Interest rate   4.50%        
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%