Other Assets - Additional Information (Detail) (USD $)	9 Months Ended
	Sep. 30, 2013
General and Administrative Expense
Schedule of Other Assets [Line Items]
Legal costs, amortized	$ 28,799
Other Current Assets
Schedule of Other Assets [Line Items]
Legal costs, current	44,070
Other Long-term Assets
Schedule of Other Assets [Line Items]
Legal costs, long-term	$ 85,047