SELECTED QUARTERLY DATA (Unaudited) (Details) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Quarterly Financial Data [Abstract]
Net revenues	$ 4,072,110	$ 3,145,123	$ 3,269,983	$ 3,980,024	$ 3,508,271	$ 2,448,225	$ 2,601,834	$ 2,586,748	$ 14,467,240	$ 11,145,078	$ 11,395,726
Operating profit	2,575,607	1,738,501	1,563,685	2,066,668	2,044,932	779,527	1,047,562	1,248,474	7,944,461	5,120,495	5,191,767
Net income	$ 1,725,802	$ 1,178,775	$ 1,028,186	$ 1,353,084	$ 1,100,956	$ 471,047	$ 666,682	$ 742,390	$ 5,285,847	$ 2,981,075	$ 6,601,626
Basic earnings per share (in dollars per share)	$ 0.27	$ 0.19	$ 0.16	$ 0.21	$ 0.17	$ 0.07	$ 0.11	$ 0.12	$ 0.83	$ 0.47	$ 1.04
Diluted earnings per share (in dollars per share)	$ 0.25	$ 0.17	$ 0.15	$ 0.19	$ 0.16	$ 0.07	$ 0.10	$ 0.11	$ 0.76	$ 0.43	$ 0.95