Condensed Consolidated Statements of Comprehensive (Loss) Income (Unaudited) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Net (loss) income	$ (444,737)	$ 105,494,044	$ (1,327,514)	$ 105,225,100
Unrealized (loss) gain on investments	(68,030)	59,066	(94,646)	14,442
Comprehensive (loss) income	$ (512,767)	$ 105,553,110	$ (1,422,160)	$ 105,239,542