Loss Per Share Applicable to Common Stockholders (Details) - USD ($)		3 Months Ended												12 Months Ended
		Dec. 31, 2016	Oct. 01, 2016	Jul. 02, 2016	Apr. 02, 2016	Jan. 02, 2016	Oct. 03, 2015	Jul. 04, 2015	Apr. 04, 2015	Jan. 03, 2015	Sep. 27, 2014	Jun. 28, 2014	Mar. 29, 2014	Dec. 31, 2016		Jan. 02, 2016		Jan. 03, 2015
Earnings per share
Net loss		$ (2,146,753)	$ (954,390)	$ (82,667)	$ 255,625	$ (1,426,644)	$ (3,716)	$ (315,192)	$ (1,025,515)	$ (1,227,374)	$ (659,653)	$ (1,653,142)	$ (1,848,016)	$ (2,928,185)		$ (2,771,067)		$ (5,388,185)
Basic and diluted loss per common share						$ (0.04)	$ (0.00)	$ (0.01)	$ (0.03)	$ (0.03)	$ (0.02)	$ (0.05)	$ (0.05)	$ (0.08)		$ (0.08)		$ (0.15)
Weighted average common shares outstanding		37,904,534	37,868,672	36,990,032	36,414,041									37,294,321	[1]	35,877,341	[1]	35,486,460	[1]
Stock Options [Member]
Potentially dilutive securities
Diliutive securities	[2]													$ 5,210,334		$ 5,244,918		$ 4,658,017
Warrant [Member]
Potentially dilutive securities
Diliutive securities	[2]													470,444		423,007		156,340
Convertible Debt Securities [Member]
Potentially dilutive securities
Diliutive securities	[2]													$ 0		$ 257,798		$ 257,798

[1] Includes approximately 0.4 million, 0.4 million and 0.5 million nonvested restricted stock for the years 2016, 2015 and 2014, respectively, which are participating securities that featurevoting and dividend rights.

[2] Excluded from the computation of loss per share as their impact is antidilutive.