Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Operating activities
Net loss	$ (2,887)	$ (1,598)
Depreciation	99	101
Loss on disposition of property and equipment	23
Stock-based compensation expense	455	361
Decrease in warrant liability	(982)
Changes in assets and liabilities:
Accounts receivable (net)	8	(1,236)
Prepaid expenses and other current assets	(36)	19
Other assets	(39)
Accounts payable	46	481
Restructuring liability	(78)
Accrued payroll and related liabilities	(435)	(1,031)
Other accrued liabilities and long term liabilities	(70)	(9)
Deferred revenue	(1,792)	(946)
Net cash used in operating activities	(5,688)	(3,858)
Investing activities
Purchase of property and equipment	(65)	(107)
Capitalized software	(382)
Proceeds from maturities of short-term investments		199
Net cash (used in) provided by investing activities	(447)	92
Financing activities
Credit facility borrowings, net	(6)
Employee taxes paid in exchange for stock awards forfeited	(201)	(59)
Issuance of common stock under employee stock plan	207
Proceeds from sale of common stock, preferred stock and warrants, net of issuance costs	5,837
Net cash provided by (used in) financing activities	5,837	(59)
Net decrease in cash and cash equivalents	(298)	(3,825)
Cash and cash equivalents at beginning of the period	12,098	15,877
Cash and cash equivalents at end of the period	$ 11,800	$ 12,052