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Stockholders' Equity - Additional Information (Detail) (USD $)
1 Months Ended 6 Months Ended 1 Months Ended 6 Months Ended 1 Months Ended 1 Months Ended 6 Months Ended 1 Months Ended
Jul. 31, 2014
Jul. 31, 2014
Mar. 28, 2014
Sep. 30, 2014
Mar. 31, 2014
Mar. 28, 2014
NNA of Nevada, Inc
Sep. 30, 2014
Monte Carlo method
Sep. 30, 2014
Equity and Debt Financing
Mar. 28, 2014
Equity and Debt Financing
NNA of Nevada, Inc
Sep. 30, 2014
Note warrant
Sep. 30, 2014
Placement agent warrants
Sep. 30, 2014
Maximum
Sep. 30, 2014
Maximum
Equity and Debt Financing
Sep. 30, 2014
9% Notes Payable
Jul. 31, 2014
Restricted Stock
Sep. 30, 2014
2010 Equity Incentive Plan
Oct. 18, 2012
2012 Equity Incentive Plan
Sep. 30, 2014
2013 Equity Incentive Plan
Apr. 29, 2013
2013 Equity Incentive Plan
Stockholders Equity Note [Line Items]                                      
Equity incentive plan, shares authorized for issuance                                     5,000,000
Equity incentive plan, additional shares authorized for issuance                                 9,000,000    
Equity incentive plan, shares available for future grant       1,900,000                           1,900,000  
Issuance of common stock for services (shares)                               12,000,000      
Common Stock, shares authorized       100,000,000 100,000,000             100,000,000              
Convertible notes, interest rate 8.00% 8.00%                       9.00%          
Restricted shares granted to agent                 2,000,000                    
Share price $ 0.49 $ 0.49             $ 1                    
Exercise price                 $ 0.45                    
Expected term 6 years 8 months 12 days 6 years 7 years                                
Expected volatility rate 71.80% 63.70% 71.40%                                
Risk free interest rate 2.10% 1.63% 2.31%                                
Expected dividend rate   0.00%                                  
Class of Warrant or Right, Number of Securities Called by Warrants or Rights                 1,000,000 2,000,000 2,000,000   1,000,000            
Class Of Warrant Or Right Price Per Share     $ 0.45                                
Warrants and Rights Outstanding                 $ 900,000                    
Price Per Share Level For Future Issuance Of Common Shares             $ 0.90                        
Class of Warrant or Right, Exercise Price of Warrants or Rights               $ 1.00 $ 1.00 $ 1.00 $ 2.00                
Equity and debt investment           $ 12     $ 12,000,000                    
Percentage For Down Round Finance     50.00%                                
Percentage For Liquidated Damages Equal Of Purchase Price     1.50%                                
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross       0                     565,000        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Weighted Average Grant Date Fair Value   $ 0.24   $ 0                              
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term 6 years 8 months 12 days 6 years 7 years                                
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate 2.10% 1.63% 2.31%                                
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate 71.80% 63.70% 71.40%