Condensed Consolidated Statements of Operations (Unaudited) - USD ($)		3 Months Ended
		Apr. 02, 2016	Apr. 04, 2015
Income Statement [Abstract]
Sales, net		$ 7,331,945	$ 5,260,971
Cost of sales		3,880,526	3,333,347
Gross profit		3,451,419	1,927,624
Operating expenses:
Sales and marketing		544,722	585,777
Research and development		464,072	121,095
General and administrative		1,988,559	2,126,836
Operating expenses		2,997,353	2,833,708
Operating income (loss)		454,066	(906,084)
Nonoperating income (expense):
Interest income		794	718
Interest expense		(188,495)	(120,149)
Nonoperating expenses		(187,701)	(119,431)
Income (loss) before taxes		266,365	(1,025,515)
Provision for taxes		(10,740)	0
Net income (loss)		$ 255,625	$ (1,025,515)
Basic earnings (loss) per common share		$ 0.01	$ (0.03)
Diluted earnings (loss) per common share		$ 0.01	$ (0.03)
Basic weighted average common shares outstanding	[1]	36,414,041	35,732,866
Diluted weighted average common shares outstanding		37,472,579	35,732,866

[1] Includes 373,289 and 518,029 weighted average nonvested shares of restricted stock for the three months ended April 2, 2016 and April 4, 2015, respectively, which are participating securities that feature voting and dividend rights.