Commitments and Contingencies (Details) (Executives [Member])	6 Months Ended
	Jul. 01, 2014 officer
Executives [Member]
Loss Contingencies [Line Items]
Employment agreement, number of executives	2
Employment agreement, initial term	3 years
Employment agreement, cancelation notice period	90 days
Employment agreement, severance pay, number of equivalent months	18 months
Employment agreement, period for equal installments	18 months
Employment agreement, termination and reimbursement notice period	18 months