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Long-term Debt and Lease Financing Obligations - Additional Information (Detail)
6 Months Ended
Jun. 30, 2016
USD ($)
installment
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Oct. 31, 2015
USD ($)
Oct. 31, 2014
USD ($)
Apr. 30, 2014
USD ($)
Line of Credit Facility [Line Items]            
Long-term Debt $ 47,267,000          
Term Loan Agreement            
Line of Credit Facility [Line Items]            
Credit facility, maximum borrowing capacity       $ 60,000,000.0   $ 45,000,000.0
Credit facility, additional borrowing capacity 5,000,000.0   $ 10,000,000.0   $ 10,000,000.0  
Long-term Debt $ 47,267,000   41,771,000      
Percentage of accrue interest 12.00%     12.50%    
Percentage of deferred payment 3.00%          
Interest deferral period 6 years          
Deferred interest payment $ 2,100,000          
Term loans payable $ 47,118,000   $ 41,487,000      
Interest payment period 7 years          
Number of installments | installment 4          
Percentage payment up on repayment of principal amount 2.00%          
Long term liability $ 1,100,000          
Minimum liquidity 2,000,000.0          
Annual revenue requirements 70,000,000.0          
Increase in annual revenue in fiscal years $ 15,000,000.0          
Term Loan Agreement | Maximum            
Line of Credit Facility [Line Items]            
Credit facility, additional borrowing capacity           $ 20,000,000.0
Percentage of redemption fee 4.00%          
Annual percentage decrease 1.00%          
Term Loan Agreement | Maximum | Scenario, Forecast            
Line of Credit Facility [Line Items]            
Credit facility, additional borrowing capacity   $ 15,000,000.0