Commitments and Contingencies Narrative (Details) (Building, USD $)	3 Months Ended
	Mar. 31, 2015 sqft	Jun. 24, 2014 sqft
Operating Leased Assets [Line Items]
Square feet of space		18,000
Annual rent increase (Percentage)	3.00%
Lease Agreement Phase One
Operating Leased Assets [Line Items]
Square feet of space	2,300
Minimum monthly rental expense	$ 5,900
Lease Agreement Phase Two
Operating Leased Assets [Line Items]
Square feet of space	15,600
Minimum monthly rental expense	$ 18,200