Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions - Additional Information (Detail)

v3.4.0.3
Related Party Transactions - Additional Information (Detail)
1 Months Ended 3 Months Ended
Apr. 21, 2014
shares
May. 31, 2013
Apr. 09, 2013
USD ($)
ExecutiveOfficers
shares
Jun. 30, 2014
USD ($)
Apr. 30, 2014
USD ($)
Feb. 28, 2014
USD ($)
Mar. 31, 2016
USD ($)
shares
Apr. 30, 2016
USD ($)
Apr. 30, 2015
USD ($)
Jul. 31, 2014
USD ($)
Related Party Transaction [Line Items]                    
Guaranteed borrowing capacity                 $ 5,000,000  
Debt instrument maturity date             Aug. 20, 2017      
2013 Plan                    
Related Party Transaction [Line Items]                    
Stock awards vesting periods   3 years                
Subsequent Event                    
Related Party Transaction [Line Items]                    
Line of credit facility sub limit additional borrowing capacity               $ 2,000,000    
July Note                    
Related Party Transaction [Line Items]                    
Accrued interest             $ 500,000      
Interest Expenses             100,000      
Aston Capital Limited Liability Company                    
Related Party Transaction [Line Items]                    
Debt instrument amount       $ 2,700,000            
Number of new executives | ExecutiveOfficers     2              
Executive compensation cost     $ 0              
Monthly payment for underlying lease             $ 26,000      
Aston Capital Limited Liability Company | Restricted Stock                    
Related Party Transaction [Line Items]                    
Restricted common stock agreed to be issued for services | shares     50,000              
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              
Number of shares authorized for grant | shares 30,000                  
Stock awards vesting periods 3 years                  
Aston Capital Limited Liability Company | Restricted Stock | 2013 Plan                    
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 | February Note                    
Related Party Transaction [Line Items]                    
Debt instrument amount           $ 3,500,000        
Interest rate of debt         9.00% 9.00%        
Debt instrument maturity date             Apr. 01, 2015      
Debt instrument converted in to equity       1,600,000            
Aston Capital Limited Liability Company | April Note                    
Related Party Transaction [Line Items]                    
Debt instrument amount         $ 1,000,000          
Aston Capital Limited Liability Company | June Note                    
Related Party Transaction [Line Items]                    
Debt instrument amount       1,900,000            
Aston Capital Limited Liability Company | July Note                    
Related Party Transaction [Line Items]                    
Debt instrument maturity date             Apr. 01, 2017      
Debt instrument principal amount                   $ 5,700,000
Debt instrument, interest rate                   9.00%
RVL One Limited Liability Company | RVL Note                    
Related Party Transaction [Line Items]                    
Debt instrument amount         $ 10,800,000          
Interest rate of debt         9.00%          
Debt instrument maturity date             Apr. 01, 2015      
Debt instrument converted in to equity       $ 10,800,000