Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Oct. 31, 2013	Apr. 30, 2013
Current assets:
Cash and cash equivalents	$ 49,226	$ 41,164
Investments	12,539	18,602
Trade accounts receivable, less allowance for doubtful accounts of $127 at October 31, 2013 and $337 at April 30, 2013
Billed	12,759	13,179
Unbilled	4,406	3,741
Prepaid expenses and other current assets	3,551	3,162
Total current assets	82,481	79,848
Investments-Noncurrent	8,405	6,658
Property and equipment, net of accumulated depreciation of $30,012 at October 31, 2013 and $29,489 at April 30, 2013	4,114	4,482
Capitalized software, net of accumulated amortization of $8,289 at October 31, 2013 and $7,664 at April 30, 2013	9,724	8,708
Goodwill	13,819	12,601
Other intangibles, net of accumulated amortization of $2,570 at October 31, 2013 and $2,256 at April 30, 2013	845	687
Other assets	129	86
Total assets	119,517	113,070
Current liabilities:
Accounts payable	455	1,207
Accrued compensation and related costs	2,959	2,961
Dividends payable	2,752
Other current liabilities	4,138	2,969
Deferred income taxes	218	332
Deferred revenue	19,361	21,291
Total current liabilities	29,883	28,760
Deferred income taxes	1,330	1,066
Long-term deferred revenue	505
Other long-term liabilities	366
Total liabilities	32,084	29,826
Shareholders' equity:
Additional paid-in capital	100,583	98,947
Retained earnings	7,932	5,398
Class A treasury stock, 4,444,815 shares at October 31, 2013 and April 30, 2013, at cost	(24,278)	(24,278)
Total shareholders' equity	87,433	83,244
Commitments and contingencies
Total liabilities and shareholders' equity	119,517	113,070
Class A Common Shares
Shareholders' equity:
Common stock value	2,937	2,918
Class B Common Shares
Shareholders' equity:
Common stock value	$ 259	$ 259