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Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($)
Feb. 28, 2025
May 31, 2024
Property and equipment, net of accumulated depreciation and amortization $ 1,444,000 $ 1,394,000
Right-of-use assets, net of accumulated amortization 1,143,000 910,000
Intangible assets, net of accumulated amortization $ 63,000 $ 48,000
Preferred stock, par value $ 0 $ 0
Preferred stock, shares authorized 4,428,571 4,428,571
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Common stock, par value $ 0.08 $ 0.08
Common stock, shares authorized 25,000,000 25,000,000
Common stock, shares issued 20,366,005 16,821,646
Common stock, shares outstanding 20,366,005 16,821,646
Series A Preferred Stock [Member]    
Preferred stock, par value $ 0.08 $ 0.08
Preferred stock, shares authorized 571,429 571,429
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0