Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Sep. 30, 2013	Mar. 31, 2013
Accounts receivable, allowance (in Dollars)	$ 60	$ 62	[1]
Preferred stock, par value (in Dollars per share)	$ 0.001	$ 0.001	[1]
Preferred stock, shares authorized (in Shares)	5,000,000	5,000,000	[1]
Preferred stock, shares issued (in Shares)	1,075	8,141	[1]
Preferred stock, shares outstanding (in Shares)	1,075	8,141	[1]
Preferred stock, liquidation value (in Dollars)	$ 9,699
Common stock, par value (in Dollars per share)	$ 0.001	$ 0.001	[1]
Common stock, shares authorized (in Shares)	150,000,000	30,000,000	[1]
Common stock, shares issued (in Shares)	76,245,442	29,573,265	[1]
Common stock, shares outstanding (in Shares)	76,245,442	29,573,265	[1]

[1] Derived from the Company's audited consolidated financial statements. The accompanying notes are an integral part of these condensed consolidated financial statements.