CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Nov. 30, 2022	May 31, 2022
Current assets:
Cash and cash equivalents	$ 18,874	$ 31,484
Short-term investments	17,710	0
Trade and other accounts receivable, net	10,156	12,859
Inventories	17,972	15,051
Prepaid expenses and other current assets	823	613
Total current assets	65,535	60,007
Property and equipment, net	1,263	1,203
Operating lease right-of-use assets	561	917
Other assets	184	201
Total assets	67,543	62,328
Current liabilities:
Accounts payable	3,949	4,195
Accrued expenses	2,566	3,610
Operating lease liabilities, short-term	551	794
Customer deposits and deferred revenue, short-term	3,680	2,415
Total current liabilities	10,746	11,014
Operating lease liabilities, long-term	65	212
Deferred revenue, long-term	25	69
Other liabilities	40	44
Total liabilities	10,876	11,339
Shareholders' equity:
Common stock, $0.01 par value: Authorized: 75,000 shares; Issued and outstanding: 27,732 shares and 27,120 shares at November 30, 2022 and May 31, 2022, respectively	277	271
Additional paid-in capital	119,094	117,686
Accumulated other comprehensive loss	(155)	(105)
Accumulated deficit	(62,549)	(66,863)
Total shareholders' equity	56,667	50,989
Total liabilities and shareholders' equity	$ 67,543	$ 62,328