Consolidated Statements Of Operations (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Apr. 30, 2014	Apr. 30, 2013	Apr. 30, 2012
Revenues:
Archive and eDiscovery	$ 19,320	$ 26,126	$ 27,534
Development, Database, and Migration Tools	11,638	14,067	15,935
Total revenues	30,958	40,193	43,469
Operating expenses:
Direct costs of Archive and eDiscovery revenue	7,929	10,091	12,848
Direct costs of Development, Database, and Migration Tools revenue	1,881	3,027	2,557
Product development	5,898	7,478	7,661
Selling, general and administrative	15,080	18,282	18,415
Sale of intangible trade name		(1,000)
Impairments of goodwill and intangible assets			15,047
Total operating expenses	30,788	37,878	56,528
Income (loss) from operations	170	2,315	(13,059)
Other income (expenses)
Loss on extinguishment of debt			(2,166)
Gain (loss) from change in fair value of common stock warrant liability	(72)	365	1,054
Interest expense	(1,332)	(1,632)	(2,270)
Other, net	9	(234)	(68)
Total other income (expense)	(1,395)	(1,501)	(3,450)
Income (loss) before income taxes	(1,225)	814	(16,509)
Provision for income taxes	333	282	153
Net income (loss)	$ (1,558)	$ 532	$ (16,662)
Income (loss) per share:
Basic	$ (0.10)	$ 0.01	$ (1.16)
Diluted	$ (0.10)	$ 0.01	$ (1.16)
Weighted-average shares used in computing income (loss) per share:
Basic	16,110,000	14,718,000	14,672,000
Diluted	16,110,000	14,728,000	14,672,000