Other Current Assets (Detail) (USD $)	Mar. 31, 2014	Dec. 31, 2013
Other Assets, Current [Line Items]
Prepaid expenses	$ 724,750	$ 315,014
Supplies Inventory	688,913	673,044
Deferred offering costs	151,985	134,518
Other current assets	$ 1,565,648	$ 1,122,576