Unaudited Condensed Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2011	Dec. 31, 2010
Net revenues
Licenses	$ 1,027	$ 1,348	$ 3,003	$ 3,354
Services	2,331	2,353	7,058	6,965
Total net revenues	3,358	3,701	10,061	10,319
Operating Expenses [Abstract]
Cost of license revenues	3	4	9	10
Cost of service revenues	435	428	1,394	1,279
Selling and marketing	1,290	1,216	3,850	3,524
Research and development	1,485	1,479	4,353	4,481
General and administrative	890	965	2,863	3,030
Total operating expenses	4,103	4,092	12,469	12,324
Operating loss	(745)	(391)	(2,408)	(2,005)
Other expense/income
Interest expense-net	(2)	(1)	0	(2)
Other expense-net	(40)	(7)	(69)	(19)
Total other expense	(42)	(8)	(69)	(21)
Loss before income taxes	(787)	(399)	(2,477)	(2,026)
Income tax provision	(33)	52	144	169
Net loss	$ (754)	$ (451)	$ (2,621)	$ (2,195)
Basic and diluted net loss per share	$ (0.03)	$ (0.02)	$ (0.09)	$ (0.08)
Shares used in computing basic and diluted net loss per share	28,163	28,024	28,138	27,981