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
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 ($)
Feb. 28, 2017
USD ($)
Mar. 31, 2017
USD ($)
Mar. 31, 2016
USD ($)
Apr. 12, 2017
USD ($)
Dec. 31, 2016
USD ($)
May 31, 2016
USD ($)
Related Party Transaction [Line Items]                        
Guaranteed borrowing capacity           $ 7,000,000   $ 7,000,000        
Notes payable           4,400,000   4,400,000     $ 14,400,000  
Related party notes payable           1,500,000   1,500,000     1,500,000  
Subsequent Event                        
Related Party Transaction [Line Items]                        
Guaranteed borrowing capacity                   $ 3,000,000    
TNT                        
Related Party Transaction [Line Items]                        
Notes payable                       $ 2,000,000
Debt instrument maturity date             Nov. 06, 2017          
TNT | Irrevocable Letter of Credit                        
Related Party Transaction [Line Items]                        
Notes payable             $ 1,000,000         $ 1,000,000
Maximum | TNT                        
Related Party Transaction [Line Items]                        
Accrued interest           $ 100,000   100,000     100,000  
Interest Expenses               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   1,500,000        
Repayment of debt $ 1,500,000                      
Annual payment for underlying lease               100,000 $ 100,000      
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]                        
Debt instrument maturity date         Apr. 01, 2019              
Accrued interest           $ 200,000   200,000     $ 200,000  
Interest Expenses               $ 100,000        
Debt instrument amount         $ 2,600,000              
Interest rate of debt         9.00%              
Aston Capital Limited Liability Company | Maximum | Amended and Restated Promissory Note                        
Related Party Transaction [Line Items]                        
Interest Expenses                 $ 100,000