Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Oct. 31, 2021	Apr. 30, 2021
Current assets:
Cash and cash equivalents	$ 94,201	$ 88,658
Investments	17,163	16,006
Trade accounts receivable, less allowance for doubtful accounts of $441 at October 31, 2021 and $430 at April 30, 2021:
Billed	19,662	24,438
Unbilled	2,475	2,201
Prepaid expenses and other current assets	7,375	5,320
Total current assets	140,876	136,623
Property and equipment, net of accumulated depreciation of $30,936 at October 31, 2021 and $30,581 at April 30, 2021	3,689	3,428
Capitalized software, net of accumulated amortization of $40,536 at October 31, 2021 and $38,826 at April 30, 2021	3,057	4,767
Goodwill	25,888	25,888
Other intangibles, net of accumulated amortization of $13,121 at October 31, 2021 and $13,015 at April 30, 2021	254	360
Lease right of use assets	1,249	1,454
Deferred sales commissions—noncurrent	2,256	2,474
Other assets	2,339	2,163
Total assets	179,608	177,157
Current liabilities:
Accounts payable	1,994	1,732
Accrued compensation and related costs	4,281	6,129
Dividends payable	3,676	3,615
Operating lease obligations	665	739
Other current liabilities	611	1,307
Deferred revenue	35,968	37,142
Total current liabilities	47,195	50,664
Deferred income taxes	2,527	2,627
Long-term operating lease obligations	669	821
Other long-term liabilities	370	654
Total liabilities	50,761	54,766
Shareholders’ equity:
Additional paid-in capital	166,969	159,492
Retained deficit	(16,362)	(15,287)
Class A treasury stock, 4,588,632 shares at October 31, 2021 and April 30, 2021, at cost	(25,559)	(25,559)
Total shareholders’ equity	128,847	122,391
Commitments and contingencies
Total liabilities and shareholders’ equity	179,608	177,157
Class A Common Shares
Shareholders’ equity:
Common stock value	3,617	3,563
Class B Common Shares
Shareholders’ equity:
Common stock value	$ 182	$ 182