General form of registration statement for all companies including face-amount certificate companies

Stockholders' Equity (Detail) - Assumptions Used in Calculating Fair Value of Warrants Issued

v2.3.0.11
Stockholders' Equity (Detail) - Assumptions Used in Calculating Fair Value of Warrants Issued
 1 Months Ended 12 Months Ended 4 Months Ended 6 Months Ended 12 Months Ended
Oct. 31, 2009
Dec. 31, 2011
Dec. 31, 2010
Feb. 27, 2012
Warrant [Member]
Jun. 30, 2012
Warrant [Member]
Jun. 30, 2012
Warrant [Member]
Minimum [Member]
Jun. 30, 2012
Warrant [Member]
Maximum [Member]
Dec. 31, 2011
Maximum [Member]
Dividend yield 0.00% 0.00% 0.00% 0.00% 0.00%      
Expected Volatility 38.28% 46.58% 44.84% 49.00%   42.10% 49.00%  
Risk free Interest rates 1.14% 0.25% 0.61% 0.93%   0.30% 0.93% 0.45%
Expected lives (years) 2 years 54 days 9 months 5 years   1 year 328 days 5 years