Intangibles and Other Assets - Goodwill (Details) (USD $)
6 Months Ended 6 Months Ended 3 Months Ended
Jun. 30, 2014
Dec. 31, 2013
Jun. 30, 2014
Online Freight Services, Inc. [Member]
Jan. 02, 2014
Online Freight Services, Inc. [Member]
Jun. 30, 2014
Comcar Logistics, LLC [Member]
Jun. 30, 2014
One Stop Logistics, Inc. [Member]
May 12, 2014
One Stop Logistics, Inc. [Member]
Goodwill:              
Goodwill, Acquired During Period     $ 4,286,440   $ 2,226,864 $ 18,972,878  
Goodwill roll-forward:              
Balance at beginning of period 77,136,242 51,650,060         18,972,878
Business Acquisition, Goodwill, Expected Tax Deductible Amount       3,406,440     18,972,878
Balance at end of period $ 77,136,242 $ 51,650,060         $ 18,972,878