Statements of Operations (USD $)	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Dec. 25, 2010
Revenues:
Product sales	$ 13,454,250	$ 17,643,151	$ 19,913,420
Research and development undercooperative agreement	597,460	2,164,001	1,483,898
Total revenues	14,051,710	19,807,152	21,397,318
Cost of product sales	13,293,905	14,878,123	16,053,051
Cost of research and development under cooperative agreement	501,868	1,973,114	1,328,315
Gross Margin	255,937	2,955,915	4,015,952
Selling, general and administrative expense	3,055,077	3,291,745	2,962,366
Income (loss) from operations	(2,799,140)	(335,830)	1,053,586
Other expense, net	(28,588)	(32,671)	(32,424)
Income (loss) before income tax	(2,827,728)	(368,501)	1,021,162
Income tax provision (benefit)	(1,305,700)	(322,766)	310,973
Net income (loss)	$ (1,522,028)	$ (45,735)	$ 710,189
Net income (loss) basic common share	$ (0.12)	$ 0.00	$ 0.06
Weighted average number of basic common shares outstanding	12,869,618	12,765,774	12,642,517
Net income (loss) per diluted common share	$ (0.12)	$ 0.00	$ 0.06
Weighted average number of diluted common shares outstanding	12,869,618	12,765,774	12,881,542