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Related-Party Transactions (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Green Briar Equity Group LLC [Member]
     
Related Party Transaction [Line Items]      
Consulting services $ 175,000 $ 350,000 $ 175,000
GA Holdings LLC [Member]
     
Related Party Transaction [Line Items]      
Cash advance repaid prior to IPO   $ 600,000