Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Aug. 31, 2025	Aug. 31, 2024
Convertible Preferred Stock
Convertible preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Convertible preferred stock, shares authorized (in shares)	10,000,000	10,000,000
Convertible preferred stock, shares outstanding (in shares)	36,000	36,000
Convertible preferred stock, liquidation value	$ 900	$ 900
Common Stock
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	8,000,000	8,000,000
Common stock, shares outstanding (in shares)	4,861,590	4,861,590