Property, Equipment, and Depreciation (Details) (USD $)	9 Months Ended		3 Months Ended	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012 Communications and Utilities Expense [Member]	Sep. 30, 2012 Communications and Utilities Expense [Member]	Sep. 30, 2012 Tractors [Member]	Sep. 30, 2012 Trailers [Member]
Property, Plant and Equipment
Amortization Period of Tires	2 years
Depreciation			$ 200,000	$ 497,000
Percentage of Tractor Fleet Depreciated at 150 Percent	100.00%	89.00%
Property, Plant, and Equipment, Salvage Value					$ 15,000	$ 4,000