Note 7 - Income Taxes (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2022
Taxes Payable	$ 800	$ 600
Effective Income Tax Rate Reconciliation, Percent	(33.60%)	37.80%
Deferred Tax Assets, Operating Loss Carryforwards, Domestic	$ 6,173	$ 7,197
Deferred Tax Assets, Operating Loss Carryforwards, State and Local	1,495	2,744
Deferred Tax Assets, Operating Loss Carryforwards, Foreign	258	318
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	(10,300)
Deferred Tax Assets, Tax Credit Carryforwards, Foreign	2,580	2,580
Unrecognized Tax Benefits	1,433	1,673	$ 1,611
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	1,100
Other Noncurrent Liabilities [Member]
Unrecognized Tax Benefits	400	300
Foreign Tax Jurisdiction [Member] | Middle East [Member]
Undistributed Earnings of Foreign Subsidiaries	35,500
Foreign Tax Jurisdiction [Member] | Ministry of Finance, India [Member]
Undistributed Earnings of Foreign Subsidiaries	10,500
Foreign Tax Jurisdiction [Member] | UNITED ARAB EMIRATES
Undistributed Earnings of Foreign Subsidiaries	23,900
Foreign Tax Jurisdiction [Member] | SAUDI ARABIA
Undistributed Earnings of Foreign Subsidiaries	11,600
Deferred Tax Liability Not Recognized, Amount of Unrecognized Deferred Tax Liability, Undistributed Earnings of Foreign Subsidiaries	600
Operating Loss Carryforwards Subject to Expiration	1,300	1,600
Domestic Tax Jurisdiction [Member] | Internal Revenue Service (IRS) [Member]
Operating Loss Carryforwards	30,100	34,300
Operating Loss Carryforwards Subject to Expiration	22,700
State and Local Jurisdiction [Member] | Internal Revenue Service (IRS) [Member]
Operating Loss Carryforwards Subject to Expiration	$ 21,000	$ 45,500