Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Net sales	$ 17,108	$ 15,287
Cost of sales	12,610	10,945
Gross profit	4,498	4,342
Selling, general, and administrative expenses	9,841	10,999
Research and development expenses	2,101	1,820
Operating loss	(7,444)	(8,477)
Interest income	1	4
Interest expense	(192)	(503)
Other, net	(24)	(53)
Debt cost expense	(43)	(272)
Loss on extinguishment of debt		(1,244)
Loss before provision for income taxes	(7,702)	(10,545)
Income tax provision	12	12
Net loss	$ (7,714)	$ (10,557)
Net loss per common share - basic and diluted (in Dollars per share)	$ (0.17)	$ (0.23)
Weighted average shares used in computing net loss per common share - basic and diluted (in Shares)	46,155	45,945