Consolidated Balance Sheets - USD ($) $ in Thousands	Apr. 30, 2021	Jul. 31, 2020
Current assets:
Cash and cash equivalents	$ 24,915	$ 5,111
Trade accounts receivable, net of allowance for doubtful accounts of $0 at April 30, 2021 and July 31, 2020	2,743	1,407
Prepaid expenses	175	123
Other current assets	72	113
Total current assets	27,905	6,754
Property and equipment, net	2,166	2,584
Goodwill	2,412	2,196
Other assets	561	471
Total assets	33,044	12,005
Current liabilities:
Trade accounts payable	337	290
Insurance premium loan payable	20
Accrued expenses and other current liabilities	2,824	1,210
Deferred revenues	1,824	1,338
Total current liabilities	5,005	2,838
Loans Payable	218	218
Other liabilities	179	64
Total liabilities	5,402	3,120
Commitments and contingencies (Notes 8 and 11)
Stockholders’ equity:
Preferred stock, $.01 par value; authorized shares—2,400; no shares issued
Class A common stock, $.01 par value; authorized shares—2,600; 525 shares issued and outstanding at April 30, 2021 and July 31, 2020	5	5
Class B common stock, $.01 par value; authorized shares—40,000; 13,683 shares issued and 13,625 shares outstanding at April 30, 2021, and 11,788 shares issued and 11,749 shares outstanding at July 31, 2020	137	118
Additional paid-in capital	38,899	25,725
Accumulated other comprehensive loss	(750)	(1,085)
Accumulated deficit	(10,547)	(15,802)
Treasury stock, 58 shares at April 30, 2021 and 40 shares at July 31, 2020, at cost	(102)	(76)
Total stockholders’ equity	27,642	8,885
Total liabilities and stockholders’ equity	$ 33,044	$ 12,005