Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended				9 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2012		Dec. 31, 2011
Net sales	$ 3,952		$ 4,314		$ 11,087		$ 12,095
Cost of sales	2,820		2,957		7,973		8,213
Gross profit	1,132		1,357		3,114		3,882
Selling, general, and administrative expenses	2,311		2,665		8,205		9,054
Research and development expenses	347		730		1,361		2,161
Operating loss	(1,526)		(2,038)		(6,452)		(7,333)
Interest income	1		2		4		9
Interest expense	(36)		(131)		(467)		(329)
Debt cost expense		[1]	(145)	[1]	(272)	[1]	(229)	[1]
Loss on extinguishment of debt					(1,244)
Other, net	(6)		(32)		(47)		(43)
Loss before provision for income taxes	(1,567)		(2,344)		(8,478)		(7,925)
Income tax provision (benefit)	10		(2)		10
Net loss	$ (1,577)		$ (2,342)		$ (8,488)		$ (7,925)
Net loss per common share - basic and diluted (in Dollars per share)	$ (0.03)		$ (0.05)		$ (0.18)		$ (0.18)
Weighted average shares used in computing net loss per common share - basic and diluted (in Shares)	46,051		44,258		45,902		44,164

[1] Expense through September 19, 2012.