Federal and State Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 30, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Federal income tax (benefit) at statutory rate of 35%	$ (2,160)		$ (1,179)
State income tax, net of federal income tax effect	(90)		(12)
Change of effective federal and state tax rate	3,927		4
Nondeductible expenses	14		80
Research and development credit	(68)		(72)
Stock Compensation	344		436
Prior year adjustments and true-ups	(141)		(354)
Change in valuation allowance	8,261		70
Total tax (benefit) expense	$ 10,087	$ 10,087	$ (1,027)