Condensed Consolidated Statements of Operations (Unaudited) - USD ($)		3 Months Ended		9 Months Ended
		Oct. 01, 2016	Oct. 03, 2015	Oct. 01, 2016	Oct. 03, 2015
Income Statement [Abstract]
Sales, net		$ 5,007,450	$ 6,287,309	$ 21,168,974	$ 17,649,660
Cost of sales		2,964,980	3,805,679	11,547,638	10,769,714
Gross profit		2,042,470	2,481,630	9,621,336	6,879,946
Operating expenses:
Sales and marketing		447,985	550,878	1,690,738	1,776,403
Research and development		772,799	188,690	1,988,597	485,195
General and administrative		1,768,402	1,564,932	6,063,520	5,531,362
Operating expenses		2,989,186	2,304,500	9,742,855	7,792,960
Operating income (loss)		(946,716)	177,130	(121,519)	(913,014)
Nonoperating income (expense):
Interest income		565	976	1,997	2,339
Interest expense		(11,392)	(181,822)	(345,311)	(433,748)
Loss on debt extinguishment		0	0	(313,099)	0
Nonoperating expenses		(10,827)	(180,846)	(656,413)	(431,409)
Loss before taxes		(957,543)	(3,716)	(777,932)	(1,344,423)
Provision for taxes		3,153	0	(3,500)	0
Net loss		$ (954,390)	$ (3,716)	$ (781,432)	$ (1,344,423)
Basic and diluted loss per common share		$ (0.03)	$ 0.00	$ (0.02)	$ (0.04)
Basic and diluted weighted average common shares outstanding	[1]	37,868,672	35,814,305	37,090,916	35,783,490

[1] Includes approximately 0.4 million nonvested restricted stock for all periods presented, which are participating securities that feature voting and dividend rights.