Convertible Notes Payable - Additional Information (Detail) (USD $)	1 Months Ended	3 Months Ended	1 Months Ended
	Feb. 21, 2013 8% Senior Subordinated Convertible Notes due February 1, 2015	Jun. 30, 2014 9% Senior Subordinated Convertible Notes due February 15, 2016	Oct. 16, 2009 10% Senior Subordinated Callable Convertible Notes
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 9% Notes are callable at a price of 110% of the Note's par value.
Debt conversion, price per share of common stock		$ 0.40
Class of Warrant or Right, Number of Securities Called by Warrants or Rights		660,000
Class of Warrant or Right, Exercise Price of Warrants or Rights		$ 0.45
Gross Proceeds From Issuance Of Debt			$ 1,250,000
Payments of Debt Issuance Costs			25,000
Redemption Notice Period		60 days
Convertible Notes Payable	150,000
Debt Instrument Total Cash Payment	$ 106,000
Debt Instrument Total Shares Issuance	182,000