Condensed Consolidated Statements of Operations (Unaudited) (USD $)	3 Months Ended		9 Months Ended
	Dec. 26, 2014	Dec. 27, 2013	Dec. 26, 2014	Dec. 27, 2013
Sales, net	$ 5,805,000	$ 7,450,000	$ 21,257,000	$ 22,064,000
Cost of products sold	3,936,000	5,562,000	13,845,000	14,460,000
Gross profit	1,869,000	1,888,000	7,412,000	7,604,000
Operating expenses:
Research, development and engineering	959,000	1,164,000	3,019,000	3,890,000
Sales and marketing	535,000	640,000	1,682,000	1,867,000
General and administrative	928,000	1,135,000	3,291,000	3,461,000
Amortization expense	153,000	260,000	539,000	769,000
Total operating expenses	2,575,000	3,199,000	8,531,000	9,987,000
Loss from operations	(706,000)	(1,311,000)	(1,119,000)	(2,383,000)
Other income (expense):
Interest expense	(124,000)	(153,000)	(434,000)	(478,000)
Change in fair value of warrant liability	140,000	(124,000)	231,000	(213,000)
Other income (loss)	(11,000)	(30,000)	(15,000)	(47,000)
Total other expense	5,000	(307,000)	(218,000)	(738,000)
Loss before benefit for income taxes	(701,000)	(1,618,000)	(1,337,000)	(3,121,000)
Benefit for income taxes	0	0	0	0
Net loss	$ (701,000)	$ (1,618,000)	$ (1,337,000)	$ (3,121,000)
Basic & diluted loss per share (in Dollars per share)	$ (0.02)	$ (0.05)	$ (0.04)	$ (0.10)
Weighted average common shares outstanding
Basic & diluted (in Shares)	37,381,000	31,243,000	35,860,000	31,223,000