Share-Based Compensation (Details 6) - Restricted Stock [Member] - Nonemployees [Member] - $ / shares	12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Jan. 02, 2016
Summary of activity of restricted stock awards granted to Non-employees- Shares
Unvested shares at Beginning of Period	10,000	17,333	25,333
Granted	0	0	46,668
Vested	(8,000)	(7,333)	(54,668)
Forfeited	0	0	0
Unvested shares at End of Period	2,000	10,000	17,333
Expected to Vest as of End of Period	2,000
Weighted Average Award-Date Fair Value for Non-Employee Restricted Stock
Unvested shares at Beginning of Period	$ 3.31	$ 3.66	$ 2.70
Granted	0.00	0.00	2.58
Vested	3.63	3.79	3.63
Forfeited	0.00	0.00	0.00
Unvested shares at End of Period	5.88	$ 3.31	$ 3.66
Expected to Vest as of End of Period	$ 5.88