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Convertible Notes Payable - Additional Information (Detail) (USD $)
 1 Months Ended 2 Months Ended
Feb. 21, 2013
Mar. 31, 2014
Debt conversion description [Line Items]    
Convertible notes payable, interest payment terms   If the Average Daily Value of Trades (“ADVT”) during the prior 90 days as reported by Bloomberg is greater than $100,000, the Note is callable at a price of 105% of the Note’s par value, and if the ADVT is less than $100,000, the Note is callable at a price of 110% of the Note’s par value.
Warrants, exercise price   $ 0.01
Warrant
    
Debt conversion description [Line Items]    
Warrants, exercise price   $ 0.45
Class of Warrant or Right, Number of Securities Called by Warrants or Rights   660,000
8% Senior Subordinated Convertible Notes due February 1, 2015
    
Debt conversion description [Line Items]    
Convertible notes, interest rate   8.00%
Convertible notes, maturity date Feb. 01, 2015 Feb. 01, 2015
Debt Conversion, Converted Instrument, Amount $ 150,000  
Repayments of Debt $ 106,000  
Debt Conversion, Converted Instrument, Shares Issued 182,000  
9% Senior Subordinated Convertible Notes due February 15, 2016
    
Debt conversion description [Line Items]    
Convertible notes, interest rate   9.00%
Convertible notes, maturity date   Feb. 15, 2016
Debt conversion, price per share of common stock   $ 0.40