Note 5 - Debt (Details Textual) $ in Thousands, د.إ in Millions, ج.م. in Millions, $ in Millions								1 Months Ended	3 Months Ended		4 Months Ended	6 Months Ended	9 Months Ended	12 Months Ended
	Sep. 17, 2021 USD ($)	Apr. 14, 2021 USD ($)	Dec. 17, 2020 USD ($)	May 01, 2020 USD ($)	Jul. 28, 2016 USD ($)	Jul. 28, 2016 CAD ($)	Jun. 19, 2012 USD ($)	Apr. 30, 2021 USD ($)	Jan. 31, 2021 USD ($)	Jul. 31, 2020	Jan. 31, 2022 USD ($)	Apr. 30, 2021	Jan. 31, 2022 USD ($)	Jan. 31, 2022 USD ($)	Jan. 31, 2021 USD ($)	Jan. 31, 2022 EGP (ج.م.)	Dec. 31, 2021 EGP (ج.م.)	Jun. 30, 2021 EGP (ج.م.)	Jan. 31, 2021 AED (د.إ)	Sep. 20, 2018 USD ($)
Line of Credit, Current									$ 2,826		$ 634		$ 634	$ 634	$ 2,826
Line of Credit Facility, Interest Rate at Period End											4.25%		4.25%	4.25%		4.25%
Proceeds from Sale of Property, Plant, and Equipment, Total														$ 9	2
Repayments of Secured Debt														892	(0)
Finance Lease, Liability, Noncurrent									401		$ 173		$ 173	173	401
UNITED ARAB EMIRATES
Foreign Earnings Repatriated								$ 800
Land and Buildings in Lebanon, Tennessee [Member]
Lessee, Finance Lease, Term of Contract (Year)		15 years
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, Noncurrent									$ 0		9,327		9,327	9,327	$ 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
Maximum [Member]
Foreign Earnings Repatriated													100
Revolving Lines, North America [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 18,000																			$ 18,000
Line of Credit Facility, Covenant Terms, EBITDA Ratio, Term One																				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								$ 2,500		2,500	2,500
Debt Instrument, Term (Year)	5 years
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage											0.25%
Line of Credit Facility, Current Borrowing Capacity											$ 8,500		8,500	8,500
Revolving Lines, North America [Member] | North American Loan Parties [Member]
Line of Credit Facility, Capital Expenditures Restrictions	$ 5,000
Line of Credit Facility, Common Stock Repurchase Restrictions	3,000
Line of Credit Facility, Fixed Charge Coverage Ratio Required									1.10			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											16,400		16,400	16,400
Line of Credit Facility, Guaranteed Amount											200		200	200
Letters of Credit Outstanding, Amount											1,200		1,200	1,200
Proceeds from Issuance of Debt														6,000
Line of Credit Facility, Remaining Borrowing Capacity											$ 6,100		$ 6,100	$ 6,100
Foreign Revolving Lines [Member] | Minimum [Member]
Line of Credit Facility, Interest Rate at Period End											3.77%		3.77%	3.77%		3.77%
Debt Instrument, Interest Rate, Stated Percentage											4.50%		4.50%	4.50%		4.50%
Foreign Revolving Lines [Member] | Maximum [Member]
Line of Credit Facility, Interest Rate at Period End											8.00%		8.00%	8.00%		8.00%
Foreign Revolving Lines [Member] | Weighted Average [Member]
Line of Credit Facility, Interest Rate at Period End											7.31%		7.31%	7.31%		7.31%
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		$ 2,200	$ 2,200					د.إ 8.0
Line of Credit Facility, Interest Rate at Period End											3.77%		3.77%	3.77%		3.77%
Revolving Credit Lines Used by Middle Eastern Subsidiaries, 2 [Member] | Foreign Revolving Lines [Member]
Line of Credit Facility, Maximum Borrowing Capacity											$ 5,300		$ 5,300	$ 5,300					19.5
Line of Credit Facility, Interest Rate at Period End											4.50%		4.50%	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		$ 800	$ 800					د.إ 3.0
Line of Credit Facility, Interest Rate at Period End											4.50%		4.50%	4.50%		4.50%
Revolving Credit Lines Used by Egypt Subsidiaries [Member] | Foreign Revolving Lines [Member]
Line of Credit Facility, Maximum Borrowing Capacity											$ 6,200		$ 6,200	$ 6,200				ج.م. 100.0
Line of Credit Facility, Interest Rate at Period End											8.00%		8.00%	8.00%		8.00%
Revolving Credit Lines Used by Egypt Subsidiaries 2 [Member] | Foreign Revolving Lines [Member]
Line of Credit Facility, Maximum Borrowing Capacity											$ 1,800		$ 1,800	$ 1,800		ج.م. 28.2	ج.م. 28.2
Line of Credit Facility, Interest Rate at Period End											8.00%		8.00%	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											4.30%		4.30%	4.30%		4.30%