v3.26.1
Note 6 - Disaggregation of Revenue and Major Customers (Details Textual) - Revenue Benchmark [Member] - Customer Concentration Risk [Member]
3 Months Ended
May 31, 2026
May 31, 2025
Customers with Government Contracts [Member]    
Concentration Risk, Percentage 64.00% 53.00%
Non-military, Scientific, Industrial Customers and Distributors [Member]    
Concentration Risk, Percentage 36.00% 47.00%