SELECTED QUARTERLY DATA (Unaudited) (Details) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Quarterly Financial Data [Abstract]
Net revenues	$ 4,650,485	$ 4,012,787	$ 2,652,505	$ 2,761,279	$ 4,072,110	$ 3,145,123	$ 3,269,983	$ 3,980,024	$ 14,077,056	$ 14,467,240	$ 11,145,078
Operating profit	2,869,051	2,122,379	875,659	1,132,270	2,575,607	1,738,501	1,563,685	2,066,668	6,999,359	7,944,461	5,120,495
Net income	$ 1,919,242	$ 1,394,763	$ 577,966	$ 753,989	$ 1,725,802	$ 1,178,775	$ 1,028,186	$ 1,353,084	$ 4,645,960	$ 5,285,847	$ 2,981,075
Basic earnings per share (in dollars per share)	$ 0.29	$ 0.21	$ 0.09	$ 0.12	$ 0.27	$ 0.19	$ 0.16	$ 0.21	$ 0.72	$ 0.83	$ 0.47
Diluted earnings per share (in dollars per share)	$ 0.27	$ 0.20	$ 0.08	$ 0.11	$ 0.25	$ 0.17	$ 0.15	$ 0.19	$ 0.66	$ 0.76	$ 0.43