CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Apr. 30, 2022	Apr. 30, 2021
Current assets:
Cash	$ 9,007	$ 4,687
Accounts receivable, net	9,513	6,986
Prepaid expenses and other current assets	1,144	957
Total current assets	19,664	12,630
Operating lease right-of-use assets, net	8,230	8,521
Property and equipment, net	7,134	6,090
Other long term assets	15	15
Goodwill	335	335
Total assets	35,378	27,591
Current liabilities:
Accounts payable	2,868	1,894
Accrued liabilities	2,414	2,231
Current portion of operating lease liabilities	1,054	818
Other current liabilities	72	0
Deferred revenue	11,071	6,256
Total current liabilities	17,479	11,199
Non-current portion operating lease liabilities	8,412	8,783
Other non-current liabilities	391	181
Total liabilities	26,282	20,163
Stockholders' equity:
Common stock, $.001 par value; 200,000,000 shares authorized; 13,522,441 and 13,414,066 shares issued and outstanding at April 30, 2022 and 2021, respectively	14	13
Additional paid-in capital	81,064	79,945
Accumulated deficit	(71,982)	(72,530)
Total stockholders' equity	9,096	7,428
Total liabilities and stockholders' equity	$ 35,378	$ 27,591