CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Apr. 30, 2021	Apr. 30, 2020
Current assets:
Cash	$ 4,687	$ 8,342
Accounts receivable, net	6,986	4,770
Prepaid expenses and other current assets	957	385
Total current assets	12,630	13,497
Operating lease right-of-use assets, net	8,521	2,798
Property and equipment, net	6,090	3,993
Other long term assets	15	128
Goodwill	335	335
Total assets	27,591	20,751
Current liabilities:
Accounts payable	1,894	3,140
Accrued liabilities	2,231	2,721
Current portion of operating lease liabilities	818	503
Current portion of finance lease	0	125
Deferred revenue	6,256	5,815
Total current liabilities	11,199	12,304
Non-current portion operating lease liabilities	8,783	3,170
Other non-current liabilities	181	178
Total liabilities	20,163	15,652
Stockholders' equity:
Common stock, $.001 par value; 200,000,000 shares authorized; 13,414,066 and 12,726,728 shares issued and outstanding at April 30, 2021 and 2020, respectively	13	13
Additional paid-in capital	79,945	77,978
Accumulated deficit	(72,530)	(72,892)
Total stockholders' equity	7,428	5,099
Total liabilities and stockholders' equity	$ 27,591	$ 20,751