Quarterly report pursuant to Section 13 or 15(d)

Debt (Detail)

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Debt (Detail)
6 Months Ended
Mar. 06, 2015
USD ($)
DEB
$ / shares
shares
Sep. 30, 2015
USD ($)
shares
Jun. 11, 2015
USD ($)
Mar. 31, 2015
USD ($)
shares
Debt Instrument [Line Items]        
Debt instrument, annual principal payment   $ 300,000   $ 600,000
Monthly principal payments   $ 50,000    
Interest rate   6.00%    
Common stock issued (in shares) | shares   58,056,566   57,917,565
Term loan, principal        
Debt Instrument [Line Items]        
Debenture stated interest rate minimum   2.75%    
Revolving Line of Credit | Third Amended and Restated Loan and Security Agreement        
Debt Instrument [Line Items]        
Maximum borrowing capacity   $ 5,000,000    
Revolving Line of Credit | Appia Core        
Debt Instrument [Line Items]        
Accrued interest at floating percentage   2.50%    
Accrued interest prime rate percentage   6.50%    
Percentage of accrued interest   6.50%    
Maximum borrowing capacity   $ 5,000,000 $ 3,500,000  
Percentage of borrowing based on accounts receivable   80.00%    
Outstanding revolving credit facility   $ 3,000,000   $ 3,000,000
Revolving line maturity date   Jun. 30, 2016    
Minimum quick ratio required   1.00    
Minimum cash and equivalents required   $ 15,000,000    
Revolving Line of Credit | Appia Core | Third Amended and Restated Loan and Security Agreement        
Debt Instrument [Line Items]        
Maximum borrowing capacity     $ 5,000,000  
Subordinated Debenture        
Debt Instrument [Line Items]        
Revolving line maturity date   Mar. 06, 2017    
Debenture stated interest rate minimum   10.00%    
Debenture stated interest rate maximum   14.00%    
Common stock issued (in shares) | shares 200,000      
Warrants to purchase an additional shares of common stock (in shares) | shares 400,000      
Warrant exercise price (in usd per share) | $ / shares $ 0.001      
Warrant exercisable period 1 year      
Subordinated Debenture | Appia Core        
Debt Instrument [Line Items]        
Sale of secured new debentures $ 8,000,000      
Number of debt securities sold | DEB 2      
Prime Rate | Minimum | Term loan, principal        
Debt Instrument [Line Items]        
Basis spread on rate   1.75%