STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIT) - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings (Deficit) [Member]	Total
Balance at Dec. 31, 2012	$ 63,532	$ 465,466,420	$ 120,655,308	$ 586,185,260
Balance (in shares) at Dec. 31, 2012	63,532,622
Net Issuance of Common Stock	$ 362	(252,993)	0	(252,631)
Net Issuance of Common Stock (in shares)	361,960
Share Based Compensation	$ 0	6,942,020	0	6,942,020
Repurchases of Common Stock	$ (2,036)	(26,111,288)	0	(26,113,324)
Repurchases of Common Stock (in shares)	(2,036,383)
Net Income (Loss)	$ 0	0	53,067,036	53,067,036
Balance at Dec. 31, 2013	$ 61,858	446,044,159	173,722,344	619,828,361
Balance (in shares) at Dec. 31, 2013	61,858,199
Net Issuance of Common Stock	$ 363	(586,186)	0	(585,823)
Net Issuance of Common Stock (in shares)	362,398
Share Based Compensation	$ 0	3,419,342	0	3,419,342
Repurchases of Common Stock	$ (1,154)	(15,545,030)	0	(15,546,184)
Repurchases of Common Stock (in shares)	(1,153,885)
Net Income (Loss)	$ 0	0	163,745,945	163,745,945
Balance at Dec. 31, 2014	$ 61,067	433,332,285	337,468,289	770,861,641
Balance (in shares) at Dec. 31, 2014	61,066,712
Net Issuance of Common Stock	$ 2,053	(339,519)	0	(337,466)
Net Issuance of Common Stock (in shares)	2,053,672
Share Based Compensation	$ 0	7,228,252	0	7,228,252
Net Income (Loss)	0	0	(975,354,541)	(975,354,541)
Balance at Dec. 31, 2015	$ 63,120	$ 440,221,018	$ (637,886,252)	$ (197,602,114)
Balance (in shares) at Dec. 31, 2015	63,120,384