v3.26.3
Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($)
3 Months Ended
Aug. 31, 2026
Aug. 31, 2025
Income Statement [Abstract]    
Net sales $ 1,265,000 $ 1,380,000
Cost of sales (1,162,000) (956,000)
Gross profit 103,000 424,000
Operating expenses:    
Selling, general, and administrative 1,124,000 1,330,000
Research and development 206,000 212,000
Total operating expenses 1,330,000 1,542,000
Loss from operations (1,227,000) (1,118,000)
Other income:    
Dividend, interest, and other income 1,000 1,123,000
Total other income 1,000 1,123,000
(Loss) income before income taxes (1,226,000) 5,000
Provision for income taxes (6,000) (3,000)
Net (loss) income $ (1,232,000) $ 2,000
Basic net (loss) income per common share $ (0.37) $ 0.00
Diluted net (loss) income per common share $ (0.37) $ 0.00
Weighted-average common shares outstanding:    
Basic 3,295,939 2,638,699
Diluted 3,295,939 2,638,699
Other comprehensive (loss) income, net of tax:    
Foreign currency translation adjustment $ (4,000) $ 2,000
Comprehensive (loss) income $ (1,236,000) $ 4,000