CONDENSED CONSOLIDATED BALANCE SHEETS (PARENTHETICAL) - $ / shares	Jul. 31, 2023	Apr. 30, 2023
Statement of Financial Position [Abstract]
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	200,000,000	200,000,000
Common stock, shares issued (in shares)	13,599,548	13,558,650
Common stock, shares outstanding (in shares)	13,484,110	13,544,228