SELECTED QUARTERLY DATA (Unaudited) (Details) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Quarterly Financial Data [Abstract]
Net revenues	$ 3,508,271	$ 2,448,225	$ 2,601,834	$ 2,586,748	$ 2,608,592	$ 1,921,395	$ 5,008,824	$ 1,856,915	$ 11,145,078	$ 11,395,726	$ 5,661,348
Operating profit	2,044,932	779,527	1,047,562	1,248,474	1,284,335	452,100	3,320,009	135,323	5,120,495	5,191,767	(2,033,032)
Net income (loss)	$ 1,100,956	$ 471,047	$ 666,682	$ 742,390	$ 71,326	$ 268,836	$ 2,569,341	$ 3,691,123	$ 2,981,075	$ 6,601,626	$ (1,508,540)
Basic earnings per share (in dollars per share)	$ 0.17	$ 0.07	$ 0.11	$ 0.12	$ 0.01	$ 0.04	$ 0.40	$ 0.59	$ 0.47	$ 1.04	$ (0.24)
Diluted earnings per share (in dollars per share)	$ 0.16	$ 0.07	$ 0.10	$ 0.11	$ 0.01	$ 0.04	$ 0.36	$ 0.51	$ 0.43	$ 0.95	$ (0.24)