CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Aug. 31, 2023	Aug. 31, 2022
Revenue:
Total revenue	$ 20,624	$ 10,671
Cost of revenue:
Total cost of revenue	10,643	6,190
Gross profit	9,981	4,481
Operating expenses:
Research and development	2,457	1,498
Selling, general and administrative	3,409	2,525
Total operating expenses	5,866	4,023
Income from operations	4,115	458
Interest income, net	581	121
Other income (expense), net	(6)	24
Income before provision for income taxes	4,690	603
Provision for income taxes	16	14
Net income	$ 4,674	$ 589
Net income per share:
Basic	$ 0.16	$ 0.02
Diluted	$ 0.16	$ 0.02
Shares used in per share calculations:
Basic	28,649	27,242
Diluted	29,632	28,788
Product [Member]
Revenue:
Total revenue	$ 19,357	$ 9,588
Cost of revenue:
Total cost of revenue	9,919	5,349
Service [Member]
Revenue:
Total revenue	1,267	1,083
Cost of revenue:
Total cost of revenue	$ 724	$ 841