Other Assets - Additional Information (Detail) (USD $)	6 Months Ended
	Jun. 30, 2013
General and Administrative Expense
Schedule of Other Assets [Line Items]
Legal costs, amortized	$ 17,782
Other Current Assets
Schedule of Other Assets [Line Items]
Legal costs, current	44,070
Other Assets
Schedule of Other Assets [Line Items]
Legal costs, long-term	$ 96,064