Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Effect of Adjustments to Revise Balance Sheet (Parenthetical) (Detail)

v2.4.0.8
Summary of Significant Accounting Policies - Effect of Adjustments to Revise Balance Sheet (Parenthetical) (Detail) (USD $)
Dec. 31, 2012
Accounting Policies [Abstract]  
Income taxes receivable $ 234,891