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Related Party Transactions - Additional Information (Detail) - USD ($)
3 Months Ended 6 Months Ended
Sep. 24, 2014
Jul. 16, 2013
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Related Party Transaction [Line Items]            
Interest expense on seller notes     $ 42,236 $ 890,453 $ 90,833 $ 1,765,920
Interest expense related to amortization of discount on the Sellers’ Notes           908,303
Chief Executive Officer of Quest and Former President of Quest [Member] | Sellers Notes [Member]            
Related Party Transaction [Line Items]            
Repayment of debt $ 11,000,000          
Repaid of sellers notes using proceeds 11,000,000          
Interest expense on seller notes $ 101,260          
Number of shares converted in to common stock 5,550,630          
Interest expense related to amortization of discount on the Sellers’ Notes     0 456,661 0 908,303
Interest expenses     $ 0 $ 383,945 $ 0 $ 763,671
Retirement of sellers notes, date         Sep. 30, 2014  
Chief Executive Officer of Quest and Former President of Quest [Member] | Quest Interests [Member]            
Related Party Transaction [Line Items]            
Notes accrue interest payable beginning   Jul. 16, 2013        
Percentage of remaining ownership interest acquired   50.00%        
Business acquisition shares issued   22,000,000        
Sellers Notes in the aggregate principal amount   $ 22,000,000        
Business acquisition, share price   $ 2.50        
Business acquisition , consideration paid   $ 77,000,000