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Note 9 - Debt (Details Textual)
$ in Thousands, د.إ in Millions, ج.م. in Millions, $ in Millions
 3 Months Ended 9 Months Ended
Sep. 17, 2021
USD ($)
Apr. 14, 2021
USD ($)
Dec. 17, 2020
USD ($)
May 01, 2020
USD ($)
Sep. 20, 2018
USD ($)
Jul. 28, 2016
USD ($)
Jul. 28, 2016
CAD ($)
Jun. 19, 2012
USD ($)
Jul. 31, 2020
Oct. 31, 2021
USD ($)
Oct. 31, 2020
USD ($)
Oct. 31, 2021
AED (د.إ)
Jun. 30, 2021
EGP (ج.م.)
Jan. 31, 2021
USD ($)
Jan. 31, 2021
EGP (ج.م.)
Debt and Lease Obligation, Total                   $ 10,200       $ 13,200  
Line of Credit, Current                   0       2,826  
Proceeds from Sale of Property, Plant, and Equipment, Total                   44 $ 2        
Finance Lease, Liability, Current                   368       300  
Finance Lease, Liability, Noncurrent                   266       401  
Repayments of Secured Debt                   4,823 $ (0)        
Land and Buildings in Lebanon, Tennessee [Member]                              
Lessee, Finance Lease, Term of Contract (Year)   15 years                          
Lessee, Finance Lease, Annual Rent   $ 800                          
Lessee, Finance Lease, Annual Rent Increase, Percentage   2.00%                          
Lessee, Finance Lease, Number of Options to Extend   4                          
Lessee, Finance Lease, Renewal Term (Year)   5 years                          
Lessee, Finance Lease, Discount Rate   8.00%                          
Finance Lease, Liability, Current                   100          
Finance Lease, Liability, Noncurrent                   9,349       0  
Land and Buildings in Lebanon, Tennessee [Member]                              
Disposal Group, Including Discontinued Operation, Consideration   $ 10,400                          
Proceeds from Sale of Property, Plant, and Equipment, Total   9,100                          
Escrow Deposit   400                          
Revolving Lines, North America [Member]                              
Debt Instrument, Term (Year) 5 years       3 years                    
Line of Credit Facility, Maximum Borrowing Capacity $ 18,000       $ 18,000                    
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage 0.25%       0.375%                    
Line of Credit Facility, Covenant Terms, EBITDA Ratio, Term One         1.10                    
Line of Credit Facility, Covenant Terms, EBITDA Ratio, Term Two         1.10                    
Repayments of Long-term Lines of Credit     $ 1,000                        
Line of Credit Facility, Additional Fees to Be Incurred     100                        
Line of Credit Facility, Maximum Borrowing Capacity, Availability Block     $ 2,000             3,000          
Line of Credit, Current                   0       2,800  
Line of Credit Facility, Current Borrowing Capacity                   5,900       $ 1,700  
Revolving Lines, North America [Member] | North American Loan Parties [Member]                              
Line of Credit Facility, Capital Expenditures Restrictions $ 5,000                            
Line of Credit Facility, Covenant Terms, EBITDA Ratio 1.10                            
Line of Credit Facility, Covenant Terms, EBITDA Ratio, Minimum Undrawn Availability for Five Consecutive Days $ 3,000                            
Line of Credit Facility, Covenant Terms, EBITDA Ratio, Minimum Undrawn Availability $ 2,000                            
Line of Credit Facility, Default, Additional Interest Rate 2.00%                            
Revolving Lines, North America [Member] | Base Rate [Member] | Minimum [Member]                              
Debt Instrument, Basis Spread on Variable Rate 1.00%                            
Revolving Lines, North America [Member] | Base Rate [Member] | Maximum [Member]                              
Debt Instrument, Basis Spread on Variable Rate 1.50%                            
Revolving Lines, North America [Member] | London Interbank Offered Rate (LIBOR) [Member] | Minimum [Member]                              
Debt Instrument, Basis Spread on Variable Rate 2.00%                            
Revolving Lines, North America [Member] | London Interbank Offered Rate (LIBOR) [Member] | Maximum [Member]                              
Debt Instrument, Basis Spread on Variable Rate 2.50%                            
Foreign Revolving Lines [Member]                              
Line of Credit Facility, Maximum Borrowing Capacity                   $ 17,600          
Line of Credit Facility, Interest Rate at Period End                   6.51%   6.51%      
Letters of Credit Outstanding, Amount                   $ 2,900          
Proceeds from Issuance of Debt                   4,100          
Line of Credit Facility, Remaining Borrowing Capacity                   $ 9,400          
Foreign Revolving Lines [Member] | Minimum [Member]                              
Line of Credit Facility, Interest Rate at Period End                   3.46%   3.46%      
Debt Instrument, Interest Rate, Stated Percentage                   4.50%   4.50%      
Foreign Revolving Lines [Member] | Maximum [Member]                              
Line of Credit Facility, Interest Rate at Period End                   10.80%   10.80%      
Foreign Revolving Lines [Member] | EIBOR [Member] | Minimum [Member]                              
Debt Instrument, Basis Spread on Variable Rate                   3.00%          
Foreign Revolving Lines [Member] | EIBOR [Member] | Maximum [Member]                              
Debt Instrument, Basis Spread on Variable Rate                   3.50%          
Paycheck Protection Program CARES Act [Member]                              
Proceeds from Issuance of Long-term Debt, Total       $ 3,200                      
Percent of Proceeds from Issuance of Debt Used for Payroll Related Expenses                 100.00%            
Mortgage Note Secured by Tennessee Manufacturing Facility [Member]                              
Repayments of Secured Debt   $ 900                          
Debt Instrument, Issuance Date               Jun. 19, 2012              
Proceeds from Issuance of Secured Debt               $ 1,800              
Revolving Credit Lines Used by Middle Eastern Subsidiaries, 1 [Member] | Foreign Revolving Lines [Member]                              
Line of Credit Facility, Maximum Borrowing Capacity                   $ 2,200   د.إ 8.0      
Line of Credit Facility, Interest Rate at Period End                   3.46%   3.46%      
Revolving Credit Lines Used by Middle Eastern Subsidiaries, 2 [Member] | Foreign Revolving Lines [Member]                              
Line of Credit Facility, Maximum Borrowing Capacity                   $ 5,300   د.إ 19.5      
Line of Credit Facility, Interest Rate at Period End                   4.50%   4.50%      
Revolving Credit Lines Used by Middle Eastern Subsidiaries, 3 [Member] | Foreign Revolving Lines [Member]                              
Line of Credit Facility, Maximum Borrowing Capacity                   $ 800   د.إ 3.0      
Line of Credit Facility, Interest Rate at Period End                   4.50%   4.50%      
Revolving Credit Lines Used by Egypt Subsidiaries [Member] | Foreign Revolving Lines [Member]                              
Line of Credit Facility, Maximum Borrowing Capacity                   $ 6,400     ج.م. 100.0    
Line of Credit Facility, Interest Rate at Period End                   10.80%   10.80%      
Revolving Credit Lines Used by Egypt Subsidiaries 2 [Member] | Foreign Revolving Lines [Member]                              
Line of Credit Facility, Maximum Borrowing Capacity                   $ 2,900         ج.م. 46.2
Line of Credit Facility, Interest Rate at Period End                   8.00%   8.00%      
Canadian Mortgage Note [Member]                              
Proceeds from Issuance of Debt           $ 6,100 $ 8                
Debt Instrument, Maturity Date           Dec. 23, 2042 Dec. 23, 2042                
Debt Instrument, Interest Rate, Effective Percentage                   4.55%   4.55%