Condensed Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2012	Oct. 31, 2011
Revenues:
eDiscovery	$ 4,043	$ 5,529	$ 8,116	$ 11,555
Database, archive, and migration	6,302	5,546	11,867	11,034
Total revenues	10,345	11,075	19,983	22,589
Operating expenses:
Direct costs of eDiscovery revenue	2,222	2,234	4,377	4,632
Direct costs of database, archive, and migration revenue	1,273	1,352	2,555	2,700
Product development	1,802	1,863	3,686	3,838
Selling, general and administrative	4,146	4,428	9,179	9,376
Sale of intangible trade name			(1,000)
Total operating expenses	9,443	9,877	18,797	20,546
Income from operations	902	1,198	1,186	2,043
Other income (expenses):
Loss on extinguishment of debt				(2,166)
Gain (loss) from change in fair value of common stock warrant liability	(188)	158	271	602
Interest expense	(400)	(469)	(842)	(1,369)
Other, net	(16)	(24)	(108)	26
Total other income (expenses)	(604)	(335)	(679)	(2,907)
Income (loss) before income taxes	298	863	507	(864)
Provision for income taxes	46	68	98	119
Net income (loss)	$ 252	$ 795	$ 409	$ (983)
Income (loss) per share:
Basic	$ 0.01	$ 0.05	$ 0.01	$ (0.08)
Diluted	$ 0.01	$ 0.05	$ 0.01	$ (0.08)
Weighted-average shares used in computing income (loss) per share:
Basic	14,718	14,657	14,718	14,629
Diluted	14,729	14,809	14,723	14,629