Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions - Additional Information (Detail)

v3.7.0.1
Related Party Transactions - Additional Information (Detail)
1 Months Ended 3 Months Ended 6 Months Ended
Jan. 26, 2017
USD ($)
Jan. 05, 2017
USD ($)
ExecutiveOfficers
Nov. 30, 2016
USD ($)
May 12, 2016
shares
Apr. 01, 2016
USD ($)
Mar. 31, 2017
USD ($)
Feb. 28, 2017
Jun. 30, 2017
USD ($)
Jun. 30, 2016
USD ($)
Jun. 30, 2017
USD ($)
Jun. 30, 2016
USD ($)
May 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
May 31, 2016
USD ($)
Related Party Transaction [Line Items]                            
Guaranteed borrowing capacity               $ 10,000,000   $ 10,000,000        
Notes payable               4,300,000   4,300,000     $ 14,400,000  
Related party notes payable                         1,500,000  
TNT                            
Related Party Transaction [Line Items]                            
Notes payable                           $ 2,000,000
Debt instrument maturity date             Nov. 06, 2017              
Accrued interest               100,000   100,000        
TNT | Irrevocable Letter of Credit                            
Related Party Transaction [Line Items]                            
Notes payable               2,000,000   2,000,000        
Maximum | TNT                            
Related Party Transaction [Line Items]                            
Accrued interest                         100,000  
Interest Expenses               100,000   100,000        
Aston Capital Limited Liability Company                            
Related Party Transaction [Line Items]                            
Interest rate of debt     9.00%     9.00%                
Number of new executives | ExecutiveOfficers   2                        
Executive compensation cost   $ 0                        
Related party notes payable     $ 1,500,000     $ 1,500,000                
Repayment of debt $ 1,500,000                          
Annual payment for underlying lease               100,000 $ 100,000 200,000 $ 200,000      
Aston Capital Limited Liability Company | Restricted Stock                            
Related Party Transaction [Line Items]                            
Number of shares authorized for grant | shares       250,000                    
Stock awards vesting periods       3 years                    
Aston Capital Limited Liability Company | Amended and Restated Promissory Note                            
Related Party Transaction [Line Items]                            
Guaranteed borrowing capacity                       $ 7,000,000    
Debt instrument amount         $ 2,600,000                  
Interest rate of debt         9.00%                  
Debt instrument maturity date         Apr. 01, 2019                  
Accrued interest               500,000   500,000     $ 200,000  
Interest Expenses               $ 200,000   $ 200,000 $ 100,000      
Aston Capital Limited Liability Company | Maximum | Amended and Restated Promissory Note                            
Related Party Transaction [Line Items]                            
Interest Expenses                 $ 100,000