Condensed Consolidated Statements of Operations (Unaudited) (USD $)	3 Months Ended		6 Months Ended
	Sep. 26, 2014	Sep. 27, 2013	Sep. 26, 2014	Sep. 27, 2013
Sales, net	$ 7,789,000	$ 7,536,000	$ 15,452,000	$ 14,614,000
Cost of products sold	5,165,000	4,747,000	9,909,000	8,898,000
Gross profit	2,624,000	2,789,000	5,543,000	5,716,000
Operating expenses:
Research, development and engineering	1,051,000	1,234,000	2,060,000	2,726,000
Sales and marketing	577,000	640,000	1,147,000	1,227,000
General and administrative	1,087,000	1,202,000	2,363,000	2,326,000
Amortization expense	181,000	259,000	386,000	509,000
Total operating expenses	2,896,000	3,335,000	5,956,000	6,788,000
Loss from operations	(272,000)	(546,000)	(413,000)	(1,072,000)
Other income (expense):
Interest expense	(129,000)	(165,000)	(310,000)	(325,000)
Change in fair value of warrant liability	46,000	107,000	91,000	(89,000)
Other income (loss)	(13,000)	26,000	(4,000)	(17,000)
Total other expense	(96,000)	(32,000)	(223,000)	(431,000)
Loss before benefit for income taxes	(368,000)	(578,000)	(636,000)	(1,503,000)
Benefit for income taxes	0	0	0	0
Net loss	$ (368,000)	$ (578,000)	$ (636,000)	$ (1,503,000)
Basic & diluted loss per share (in Dollars per share)	$ (0.01)	$ (0.02)	$ (0.02)	$ (0.05)
Weighted average common shares outstanding
Basic & diluted shares (in Shares)	37,381,000	31,229,000	35,051,000	31,213,000