Summary Of Significant Accounting Policies (Schedule Of Property And Equipment, Estimated Useful Lives) (Details)	3 Months Ended
	Mar. 31, 2013
Vehicles [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, useful life	5 years
Maximum [Member] | Building And Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, useful life	39 years
Maximum [Member] | Machinery And Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, useful life	12 years
Maximum [Member] | Office Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, useful life	7 years
Minimum [Member] | Building And Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, useful life	31 years
Minimum [Member] | Machinery And Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, useful life	5 years
Minimum [Member] | Office Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, useful life	5 years