Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jul. 31, 2019	Apr. 30, 2019
Current assets:
Cash and cash equivalents	$ 62,722	$ 61,288
Investments	23,591	24,710
Trade accounts receivable, less allowance for doubtful accounts of $110 at July 31, 2019 and $153 at April 30, 2019:
Billed	17,471	18,819
Unbilled	3,030	1,475
Prepaid expenses and other current assets	5,772	6,210
Total current assets	112,586	112,502
Investments—noncurrent	1,679	2,484
Property and equipment, net of accumulated depreciation of $29,487 at July 31, 2019 and $29,327 at April 30, 2019	3,534	3,585
Capitalized software, net of accumulated amortization of $30,227 at July 31, 2019 and $28,740 at April 30, 2019	10,862	11,063
Goodwill	25,888	25,888
Other intangibles, net of accumulated amortization of $11,242 at July 31, 2019 and $10,643 at April 30, 2019	2,134	2,732
Lease right of use assets	2,587
Deferred sales commissions—noncurrent	2,009	1,546
Other assets	1,655	1,510
Total assets	162,934	161,310
Current liabilities:
Accounts payable	1,173	2,448
Accrued compensation and related costs	3,364	2,561
Accrual of dividends payable	3,451
Dividends payable		3,434
Operating lease obligations	769
Other current liabilities	1,868	1,375
Deferred revenue	32,704	33,283
Total current liabilities	43,329	43,101
Deferred income taxes	3,357	3,514
Long-term operating lease obligations	1,957
Other long-term liabilities	88	88
Total liabilities	48,731	46,703
Shareholders’ equity:
Additional paid-in capital	140,195	138,315
Retained (deficit) earnings	(4,028)	(1,729)
Class A treasury stock, 4,588,632 shares at July 31, 2019 and April 30, 2019, at cost	(25,559)	(25,559)
Total shareholders’ equity	114,203	114,607
Commitments and contingencies
Total liabilities and shareholders’ equity	162,934	161,310
Class A Common Shares
Shareholders’ equity:
Common stock value	3,413	3,398
Class B Common Shares
Shareholders’ equity:
Common stock value	$ 182	$ 182