Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Apr. 30, 2014	Apr. 30, 2013
Current assets:
Cash and cash equivalents	$ 55,803	$ 41,164
Investments	14,796	18,602
Trade accounts receivable, less allowance for doubtful accounts of $222 at April 30, 2014 and $337 at April 30, 2013:
Billed	15,422	13,179
Unbilled	3,234	3,741
Prepaid expenses and other current assets	4,092	3,162
Total current assets	93,347	79,848
Investments-noncurrent	8,975	6,658
Property and equipment, net	3,681	4,482
Capitalized software, net	10,732	8,708
Goodwill	13,819	12,601
Other intangibles, net	534	687
Other assets	132	86
Total assets	131,220	113,070
Current liabilities:
Accounts payable	1,382	1,207
Accrued compensation and related costs	3,532	2,961
Dividends payable	2,822
Other current liabilities	2,735	2,969
Deferred income taxes	418	332
Deferred revenue	23,638	21,291
Total current liabilities	34,527	28,760
Deferred income taxes	1,936	1,066
Long-term deferred revenue	670
Other long-term liabilities	1,527
Total liabilities	38,660	29,826
Shareholders' equity:
Additional paid-in capital	106,203	98,947
Retained earnings	7,368	5,398
Class A treasury stock, 4,444,815 shares at April 30, 2014 and 2013, at cost	(24,278)	(24,278)
Total shareholders' equity	92,560	83,244
Commitments and contingencies
Total liabilities and shareholders' equity	131,220	113,070
Class A Common Shares
Shareholders' equity:
Common stock value	3,008	2,918
Class B Common Shares
Shareholders' equity:
Common stock value	$ 259	$ 259