CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Aug. 31, 2023	May 31, 2023
CONDENSED CONSOLIDATED BALANCE SHEETS
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	10,000,000	10,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	75,000,000	75,000,000
Common stock, shares issued	28,763,000	28,539,000
Common stock, shares outstanding	28,763,000	28,539,000