v2.4.0.6
Convertible Notes - Additional Information (Detail) (USD $)
0 Months Ended 12 Months Ended
Nov. 13, 2012
Sep. 20, 2012
Feb. 19, 2013
Dec. 31, 2012
9% Senior Convertible Note
Senior Convertible Notes and Warrants Disclosure [Line Items]        
Number of units issued in private placement       1,324
Aggregate principal amount       $ 1,000
Convertible note interest rate       9.00%
Convertible note conversion price per share       $ 0.35
Term of redeemable warrant       5 years
Number of common shares called by warrants       3,310,000
Number of common shares called by warrants to placement agent       331,000
Gross proceeds from convertible note       1,324,000
Net proceeds from convertible note       1,095,600
Convertible note, maturity date Nov. 13, 2013 Sep. 20, 2013    
Private placement fees       109,900
Percentage of principal and accrued interest payable on prepay       120.00%
Warrant exercise price     1.50 0.40
Redemption value per warrant       $ 0.001
Minimum percentage of daily volume weight adjusted market price of common stock for redemption of warrant       140.00%
Minimum average daily value of trading volume for redemption of warrant       100,000
Fair value of warrant and beneficial conversion feature       $ 1,333,307