Summary Of Significant Accounting Policies (Schedule Of Estimated Useful Lives) (Details)	12 Months Ended
	Dec. 31, 2012
Production Tooling [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful lives	P1Y
Production Tooling [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful lives	P3Y
Machinery And Equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful lives	P5Y
Machinery And Equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful lives	P6Y
Office Furniture And Fixtures [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful lives	P3Y
Computer Equipment And Software [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful lives	P3Y