Condensed Consolidated Statements of Operations (USD $)	3 Months Ended
	Jul. 01, 2011	Jul. 02, 2010
Sales, net	$ 8,120,000	$ 6,253,000
Cost of products sold	4,742,000	3,335,000
Gross profit	3,378,000	2,918,000
Operating expenses:
Research, development and engineering	1,692,000	1,288,000
Sales and marketing	615,000	473,000
General and administrative	1,159,000	1,012,000
Amortization expense	342,000	406,000
Total operating expenses	3,808,000	3,179,000
Loss from operations	(430,000)	(261,000)
Other income (expense):
Interest income	2,000	1,000
Interest expense	(31,000)	(50,000)
Interest expense, related parties	(15,000)	(15,000)
Change in fair value of warrant liability	492,000	54,000
Other income/(expense)		(2,000)
Net income(loss)	$ 18,000	$ (273,000)
Basic income (loss) per share	$ 0.00	$ (0.01)
Diluted income (loss) per share	$ 0.00	$ (0.01)
Weighted average common shares outstanding
Basic	30,687,000	24,675,000
Diluted	31,759,000	24,675,000