Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jan. 31, 2022	Apr. 30, 2021
Current assets:
Cash and cash equivalents	$ 98,355	$ 88,658
Investments	16,463	16,006
Trade accounts receivable, less allowance for doubtful accounts of $443 at January 31, 2022 and $430 at April 30, 2021:
Billed	24,164	24,438
Unbilled	3,255	2,201
Prepaid expenses and other current assets	6,474	5,320
Total current assets	148,711	136,623
Property and equipment, net of accumulated depreciation of $31,040 at January 31, 2022 and $30,581 at April 30, 2021	3,720	3,428
Capitalized software, net of accumulated amortization of $41,293 at January 31, 2022 and $38,826 at April 30, 2021	2,301	4,767
Goodwill	25,888	25,888
Other intangibles, net of accumulated amortization of $13,175 at January 31, 2022 and $13,015 at April 30, 2021	201	360
Lease right of use assets	1,093	1,454
Deferred sales commissions—noncurrent	2,122	2,474
Other assets	2,014	2,163
Total assets	186,050	177,157
Current liabilities:
Accounts payable	3,158	1,732
Accrued compensation and related costs	5,242	6,129
Dividends payable	3,689	3,615
Operating lease obligations	604	739
Other current liabilities	1,123	1,307
Deferred revenue	38,095	37,142
Total current liabilities	51,911	50,664
Deferred income taxes	2,460	2,627
Long-term operating lease obligations	566	821
Other long-term liabilities	234	654
Total liabilities	55,171	54,766
Shareholders’ equity:
Additional paid-in capital	169,740	159,492
Retained deficit	(17,114)	(15,287)
Class A treasury stock, 4,588,632 shares at January 31, 2022 and April 30, 2021, at cost	(25,559)	(25,559)
Total shareholders’ equity	130,879	122,391
Commitments and contingencies
Total liabilities and shareholders’ equity	186,050	177,157
Class A Common Shares
Shareholders’ equity:
Common stock value	3,630	3,563
Class B Common Shares
Shareholders’ equity:
Common stock value	$ 182	$ 182