Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jul. 31, 2021	Apr. 30, 2021
Current assets:
Cash and cash equivalents	$ 91,854	$ 88,658
Investments	16,280	16,006
Trade accounts receivable, less allowance for doubtful accounts of $458 at July 31, 2021 and $430 at April 30, 2021:
Billed	22,872	24,438
Unbilled	2,001	2,201
Prepaid expenses and other current assets	6,957	5,320
Total current assets	139,964	136,623
Property and equipment, net of accumulated depreciation of $30,757 at July 31, 2021 and $30,582 at April 30, 2021	3,556	3,428
Capitalized software, net of accumulated amortization of $39,729 at July 31, 2021 and $38,826 at April 30, 2021	3,864	4,767
Goodwill	25,888	25,888
Other intangibles, net of accumulated amortization of $13,069 at July 31, 2021 and $13,015 at April 30, 2021	307	360
Lease right of use assets	1,271	1,454
Deferred sales commissions—noncurrent	2,335	2,474
Other assets	2,271	2,163
Total assets	179,456	177,157
Current liabilities:
Accounts payable	2,028	1,732
Accrued compensation and related costs	4,121	6,129
Dividends payable	3,651	3,615
Operating lease obligations	693	739
Other current liabilities	1,718	1,307
Deferred revenue	36,921	37,142
Total current liabilities	49,132	50,664
Deferred income taxes	2,602	2,627
Long-term operating lease obligations	674	821
Other long-term liabilities	514	654
Total liabilities	52,922	54,766
Shareholders’ equity:
Additional paid-in capital	164,299	159,492
Retained deficit	(15,991)	(15,287)
Class A treasury stock, 4,588,632 shares at July 31, 2021 and April 30, 2021, at cost	(25,559)	(25,559)
Total shareholders’ equity	126,534	122,391
Commitments and contingencies
Total liabilities and shareholders’ equity	179,456	177,157
Class A Common Shares
Shareholders’ equity:
Common stock value	3,603	3,563
Class B Common Shares
Shareholders’ equity:
Common stock value	$ 182	$ 182