Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Oct. 31, 2019	Apr. 30, 2019
Current assets:
Cash and cash equivalents	$ 62,684	$ 61,288
Investments	31,493	24,710
Trade accounts receivable, less allowance for doubtful accounts of $109 at October 31, 2019 and $153 at April 30, 2019:
Billed	15,432	18,819
Unbilled	2,682	1,475
Prepaid expenses and other current assets	6,812	6,210
Total current assets	119,103	112,502
Investments—noncurrent	494	2,484
Property and equipment, net of accumulated depreciation of $29,644 at October 31, 2019 and $29,327 at April 30, 2019	3,505	3,585
Capitalized software, net of accumulated amortization of $31,877 at October 31, 2019 and $28,740 at April 30, 2019	9,816	11,063
Goodwill	25,888	25,888
Other intangibles, net of accumulated amortization of $11,618 at October 31, 2019 and $10,643 at April 30, 2019	1,759	2,732
Lease right of use assets	2,401
Deferred sales commissions—noncurrent	1,881	1,546
Other assets	1,731	1,510
Total assets	166,578	161,310
Current liabilities:
Accounts payable	1,846	2,448
Accrued compensation and related costs	4,097	2,561
Dividends payable	3,505	3,434
Operating lease obligations	775
Other current liabilities	688	1,375
Deferred revenue	32,563	33,283
Total current liabilities	43,474	43,101
Deferred income taxes	3,382	3,514
Long-term operating lease obligations	1,769
Other long-term liabilities	87	88
Total liabilities	48,712	46,703
Shareholders’ equity:
Additional paid-in capital	145,554	138,315
Retained (deficit)	(5,774)	(1,729)
Class A treasury stock, 4,588,632 shares at October 31, 2019 and April 30, 2019, at cost	(25,559)	(25,559)
Total shareholders’ equity	117,866	114,607
Commitments and contingencies
Total liabilities and shareholders’ equity	166,578	161,310
Class A Common Shares
Shareholders’ equity:
Common stock value	3,463	3,398
Class B Common Shares
Shareholders’ equity:
Common stock value	$ 182	$ 182