Property, Equipment, and Depreciation (Details) (USD $)	6 Months Ended		3 Months Ended	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012 Communications and Utilities Expense [Member]	Jun. 30, 2012 Communications and Utilities Expense [Member]	Jun. 30, 2012 Tractors [Member]	Jun. 30, 2012 Trailers [Member]
Property, Plant and Equipment
Amortization Period of Tires	2 years
Depreciation			$ 200,000	$ 331,000
Percentage of Tractor Fleet Depreciated at 150 Percent	100.00%	84.60%
Property, Plant, and Equipment, Salvage Value					$ 15,000	$ 4,000