Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Oct. 31, 2014	Apr. 30, 2014
Current assets:
Cash and cash equivalents	$ 40,601	$ 55,803
Investments	15,580	14,796
Trade accounts receivable, less allowance for doubtful accounts of $315 at October 31, 2014 and $222 at April 30, 2014
Billed	13,555	15,422
Unbilled	2,923	3,234
Prepaid expenses and other current assets	4,920	4,092
Total current assets	77,579	93,347
Investments-Noncurrent	13,301	8,975
Property and equipment, net of accumulated depreciation of $31,123 at October 31, 2014 and $30,545 at April 30, 2014	3,366	3,681
Capitalized software, net of accumulated amortization of $10,382 at October 31, 2014 and $8,589 at April 30, 2014	9,785	10,732
Goodwill	18,749	13,819
Other intangibles, net of accumulated amortization of $3,347 at October 31, 2014 and $2,881 at April 30, 2014	3,259	534
Other assets	622	132
Total assets	126,661	131,220
Current liabilities:
Accounts payable	602	1,382
Accrued compensation and related costs	2,291	3,532
Dividends payable	2,825	2,822
Other current liabilities	2,329	2,735
Deferred income taxes	559	418
Deferred revenue	23,993	23,638
Total current liabilities	32,599	34,527
Deferred income taxes	1,437	1,936
Long-term deferred revenue	480	670
Other long-term liabilities	1,835	1,527
Total liabilities	36,351	38,660
Shareholders' equity:
Additional paid-in capital	107,664	106,203
Retained earnings	4,426	7,368
Class A treasury stock, 4,532,580 shares at October 31, 2014 and 4,444,815 shares at April 30, 2014, at cost	(25,058)	(24,278)
Total shareholders' equity	90,310	92,560
Commitments and contingencies
Total liabilities and shareholders' equity	126,661	131,220
Class A Common Shares
Shareholders' equity:
Common stock value	3,019	3,008
Class B Common Shares
Shareholders' equity:
Common stock value	$ 259	$ 259