Share-Based Compensation (Details 5) - Restricted Stock [Member] - Nonemployees [Member] - $ / shares	12 Months Ended
	Dec. 31, 2016	Jan. 02, 2016	Jan. 03, 2015
Summary of activity of restricted stock awards granted to Non-employees- Shares
Unvested shares at Beginning of Period	17,333	25,333	0
Granted	0	46,668	32,000
Vested	(7,333)	(54,668)	(6,667)
Forfeited	0	0	0
Unvested shares at End of Period	10,000	17,333	25,333
Weighted Average Award-Date Fair Value for Non-Employee Restricted Stock
Unvested shares at Beginning of Period	$ 3.66	$ 2.70	$ 0.00
Granted	0.00	2.58	3.90
Vested	3.79	3.63	3.51
Forfeited	0.00	0.00	0.00
Unvested shares at End of Period	3.31	$ 3.66	$ 2.70
Expected to Vest as of End of Period	$ 3.31