v3.26.3
Note 6 - Disaggregation of Revenue and Major Customers (Details Textual) - Revenue Benchmark [Member] - Customer Concentration Risk [Member]
3 Months Ended 6 Months Ended
Aug. 31, 2026
Aug. 31, 2025
Aug. 31, 2026
Aug. 31, 2025
Customers with Government Contracts [Member]        
Concentration Risk, Percentage 58.00% 41.00% 61.00% 46.00%
Non-military, Scientific, Industrial Customers and Distributors [Member]        
Concentration Risk, Percentage 42.00% 59.00% 39.00% 54.00%