Leases - Narratives (Details) (USD $)	3 Months Ended
	Sep. 29, 2012 sqft	Dec. 31, 2011
Capital leases, lease term	3 years
Number of leased buildings for headquarters and domestic research, development, and manufacturing operations	2
Number of reportable segments	2
Capital leased assets, number of material obligation with a bargain purchase option	1
Capital leases, bargain purchase option, amount	$ 1.00
Capital leases, implied interest rate	9.437%
Executive Offices and Manufacturing Facility, Combined [Member]
Area of real estate property, square feet	56,891
Executive Offices [Member]
Operating leases, lease term	7 years
Operating leases, extension option term	5 years
Operating leases, rent abatement		4 months
Area of real estate property, square feet	33,864
Area of real estate property, right of first offer, square feet	11,059
Operating leases, initial annual rental payment	690,826
Operating leases, annual increase in rental payment, percent	3.00%
Operating leases, annual decrease in rent expense from abatement	55,000
Manufacturing Facility [Member]
Operating leases, lease term	7 years
Operating leases, extension option term	5 years
Area of real estate property, square feet	23,027
Area of real estate property, right of first offer, square feet	12,000
Operating leases, initial annual rental payment	$ 414,486
Operating leases, annual increase in rental payment, percent	3.00%