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Property - Summary of Property and Equipment (Details) (USD $)
Mar. 31, 2013
Dec. 31, 2012
Property, net    
Land $ 2,729,790 $ 2,729,790
Buildings and improvements 11,297,524 11,293,074
Rental trucks under capital leases 210,138 210,138
Total 14,237,452 14,233,002
Less accumulated depreciation 11,398,822 11,392,397
Property - net $ 2,838,630 $ 2,840,605