Condensed Consolidated Statements of Operations (Unaudited) (USD $)	3 Months Ended
	Jun. 27, 2014	Jun. 28, 2013
Sales, net	$ 7,663,000	$ 7,078,000
Cost of products sold	4,744,000	4,151,000
Gross profit	2,919,000	2,927,000
Operating expenses:
Research, development and engineering	1,009,000	1,492,000
Sales and marketing	570,000	587,000
General and administrative	1,276,000	1,124,000
Amortization expense	205,000	250,000
Total operating expenses	3,060,000	3,453,000
Loss from operations	(141,000)	(526,000)
Other income (expense):
Interest expense	(181,000)	(160,000)
Change in fair value of warrant liability	45,000	(196,000)
Other income or (expense), net	9,000	(43,000)
Total other expense	(127,000)	(399,000)
Loss before benefit for income taxes	(268,000)	(925,000)
Benefit for income taxes	0	0
Net loss	$ (268,000)	$ (925,000)
Basic and diluted loss per share (in Dollars per share)	$ (0.01)	$ (0.03)
Weighted average common shares outstanding
Basic and diluted (in Shares)	32,642,000	31,198,000