(2) Summary of Significant Accounting Policies (Detail) - (Table 1) (USD $)	Dec. 31, 2012
Carrying (Reported) Amount, Fair Value Disclosure [Member]
Series D Preferred Stock (See Notes 3 and 5)	$ 2,991,422
Estimate of Fair Value, Fair Value Disclosure [Member]
Series D Preferred Stock (See Notes 3 and 5)	$ 6,457,893