Annual report pursuant to Section 13 and 15(d)

Gain on Asset Disposal (Additional Information (Detail)

v2.4.0.8
Gain on Asset Disposal (Additional Information (Detail) (USD $)
12 Months Ended
Dec. 31, 2013
Gain On Asset Disposal Additional Information [Line Items]  
Net Sales Price $ 8,345,793
Additional Purchase Price Paid $ 2,500,000