Note 5 - Debt (Details Textual) $ in Thousands, $ in Thousands, د.إ in Millions, ج.م. in Millions							1 Months Ended	3 Months Ended		6 Months Ended		9 Months Ended	12 Months Ended
	Dec. 17, 2020 USD ($)	May 01, 2020 USD ($)	Sep. 20, 2018 USD ($)	Jul. 28, 2016 USD ($)	Jul. 28, 2016 CAD ($)	Jun. 19, 2012 USD ($)	Apr. 30, 2021 USD ($)	Jan. 31, 2021 USD ($)	Jul. 31, 2020	Oct. 31, 2021 USD ($)	Apr. 30, 2021 EGP (ج.م.)	Jul. 31, 2021	Jan. 31, 2021 USD ($)	Oct. 31, 2020	Jan. 31, 2020 USD ($)	Jan. 31, 2021 AED (د.إ)	Jan. 31, 2021 EGP (ج.م.)	Nov. 30, 2019 EGP (ج.م.)
Proceeds from Issuance of Long-term Debt, Total													$ 19
Cash Available to Satisfy Future Potential Repatriation from Foreign Subsidiaries								$ 6,600					6,600
Line of Credit, Current								$ 2,826					$ 2,826		$ 8,577
Forecast [Member] | Maximum [Member]
Foreign Earnings Repatriated										$ 100
Subsequent Event [Member] | UNITED ARAB EMIRATES
Foreign Earnings Repatriated							$ 800
Revolving Lines, North America [Member]
Line of Credit Facility, Maximum Borrowing Capacity			$ 18,000
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage			0.375%
Line of Credit Facility, Capital Expenditures Restrictions			$ 3,000
Line of Credit Facility, Covenant Terms, EBITDA Ratio, Term One			1.1
Line of Credit Facility, Covenant Terms, EBITDA Ratio, Term Two			1.1
Line of Credit Facility, Covenant, Fixed Charge Coverage Ratio														1.1
Repayments of Long-term Lines of Credit	$ 1,000
Line of Credit Facility, Additional Fees to Be Incurred	200
Line of Credit Facility, Maximum Borrowing Capacity, Availability Block	$ 2,000
Line of Credit Facility, Interest Rate at Period End								6.25%					6.25%			6.25%	6.25%
Line of Credit Facility, Current Borrowing Capacity								$ 1,700					$ 1,700
Revolving Lines, North America [Member] | The Company and Its Subsidiaries [Member] | Forecast [Member]
Line of Credit Facility, Fixed Charge Coverage Ratio Required												1.25
Revolving Lines, North America [Member] | North American Loan Parties [Member]
Line of Credit Facility, Fixed Charge Coverage Ratio Required								1.1
Revolving Lines, North America [Member] | North American Loan Parties [Member] | Forecast [Member]
Line of Credit Facility, Fixed Charge Coverage Ratio Required											1.1	1.1
Revolving Lines, North America [Member] | Subsequent Event [Member] | The Company and Its Subsidiaries [Member]
Line of Credit Facility, Fixed Charge Coverage Ratio Required											1.25
Foreign Revolving Lines [Member]
Line of Credit Facility, Maximum Borrowing Capacity								$ 23,100					23,100
Letters of Credit Outstanding, Amount								5,800					5,800
Proceeds from Issuance of Debt													3,300
Line of Credit Facility, Remaining Borrowing Capacity								$ 1,300					$ 1,300
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] | Maximum [Member] | EIBOR [Member]
Debt Instrument, Basis Spread on Variable Rate													3.50%
Foreign Revolving Lines [Member] | Minimum [Member]
Line of Credit Facility, Interest Rate at Period End								3.40%					3.40%			3.40%	3.40%
Debt Instrument, Interest Rate, Stated Percentage								4.50%					4.50%			4.50%	4.50%
Foreign Revolving Lines [Member] | Minimum [Member] | EIBOR [Member]
Debt Instrument, Basis Spread on Variable Rate													3.00%
Foreign Revolving Lines [Member] | Weighted Average [Member]
Line of Credit Facility, Interest Rate at Period End								6.05%					6.05%			6.05%	6.05%
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%
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			د.إ 8.0
Line of Credit Facility, Interest Rate at Period End								3.40%					3.40%			3.40%	3.40%
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			د.إ 19.5
Line of Credit Facility, Interest Rate at Period End								3.90%					3.90%			3.90%	3.90%
Revolving Credit Lines Used by Middle Eastern Subsidiaries, 3 [Member] | Foreign Revolving Lines [Member]
Line of Credit Facility, Maximum Borrowing Capacity								$ 12,700					$ 12,700				ج.م. 200.0	ج.م. 200.0
Revolving Credit Lines Used by Middle Eastern Subsidiaries, 3 [Member] | Foreign Revolving Lines [Member] | Forecast [Member]
Line of Credit Facility, Maximum Borrowing Capacity | ج.م.											ج.م. 100.0
Revolving Credit Lines Used by Middle Eastern Subsidiaries, 4 [Member] | Foreign Revolving Lines [Member]
Line of Credit Facility, Maximum Borrowing Capacity								$ 2,900					$ 2,900				ج.م. 46.2
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	$ 8,000
Debt Instrument, Maturity Date				Dec. 23, 2042	Dec. 23, 2042
Debt Instrument, Interest Rate, Effective Percentage								4.55%					4.55%			4.55%	4.55%
Debt Instrument, Periodic Payment, Interest				$ 28	$ 37
Debt Instrument, Periodic Payment, Principal				$ 21	$ 27
Mortgage Note Secured by Tennessee Manufacturing Facility [Member]
Debt Instrument, Interest Rate, Stated Percentage						4.50%
Debt Instrument, Maturity Date						Jul. 01, 2027
Debt Instrument, Issuance Date						Jun. 19, 2012
Proceeds from Issuance of Secured Debt						$ 1,800
Debt Instrument, Periodic Payment, Total						$ 13
Debt Instrument, Adjustable Interest Rate Period, Commencement Date						Jun. 19, 2022
Debt Instrument, Interest Rate, Maximum Annual Increase						2.00%
Debt Instrument, Adjustable Interest Rate, Ceiling						18.00%
Debt Instrument, Adjustable Interest Rate, Floor						4.50%