Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions - Additional Information (Detail)

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Related Party Transactions - Additional Information (Detail) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended
Apr. 21, 2014
Apr. 09, 2013
Aug. 30, 2014
Jun. 30, 2014
Apr. 30, 2014
Feb. 28, 2014
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Apr. 30, 2015
Related Party Transaction [Line Items]                      
Guaranteed additional borrowing capacity                     $ 5,000,000
Debt instrument amount             $ 2,700,000   $ 2,700,000    
Debt instrument maturity date     Aug. 20, 2017           Apr. 01, 2016    
Debt instrument principal amount             $ 5,700,000   $ 5,700,000    
Debt instrument, interest rate             9.00%   9.00%    
Accrued interest             $ 300,000   $ 300,000    
Interest Expenses             60,000   100,000    
Sales to distributor             $ 27,245,000 $ 17,517,000 47,575,000 $ 22,459,000  
Restricted Stock                      
Related Party Transaction [Line Items]                      
Number of shares authorized for grant 300,000                    
Stock options vesting period 3 years                    
RVL One Limited Liability Company                      
Related Party Transaction [Line Items]                      
Debt instrument amount         $ 10,800,000            
Debt instrument maturity date         Apr. 01, 2015            
Interest rate of debt         9.00%            
Debt instrument converted in to equity       $ 10,800,000              
Aston Capital Limited Liability Company                      
Related Party Transaction [Line Items]                      
Debt instrument amount       1,900,000 $ 1,000,000 $ 3,500,000   $ 1,900,000   $ 1,900,000  
Debt instrument maturity date           Apr. 01, 2015          
Interest rate of debt           9.00%          
Debt instrument converted in to equity       $ 1,600,000              
Monthly payment for underlying lease                 26,000    
Aston Capital Limited Liability Company | Issuance of Equity | Restricted Stock                      
Related Party Transaction [Line Items]                      
Restricted common stock agreed to be issued for services   500,000                  
Restricted common stock agreed to be issued for services, vesting period   3 years                  
Restricted common stock agreed to be issued for services, vesting date   Sep. 25, 2013                  
Chief Financial Officer                      
Related Party Transaction [Line Items]                      
Sales to distributor                 $ 100,000