Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2012

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment [Table Text Block]

Property and equipment consists of the following at:

	December 31,
	2012			2011
Trucks and vehicles	$	23,933,669		$	20,415,684
Other equipment		2,781,903			2,888,663
Buildings and improvements		2,403,477			2,947,305
Trucks in process		1,110,356			852,975
Capitalized truck leases		455,093			455,093
Land		601,420			701,420
Disposal wells		667,330			620,104
Total property and equipment		31,953,248			28,881,244
Accumulated depreciation		(16,932,358	)		(14,122,205	)
Property and equipment - net	$	15,020,890		$	14,759,039