SELECTED QUARTERLY DATA (UNAUDITED) (Details) - USD ($)	3 Months Ended								12 Months Ended
	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Selected Quarterly Financial Information [Line Items]
Net Revenue	$ 78,514,109	$ 79,487,215	$ 54,051,174	$ 51,301,790	$ 72,168,159	$ 70,295,981	$ 40,634,601	$ 50,303,347	$ 263,354,288	$ 233,402,088	$ 216,897,956
Gross Profit	28,181,957	28,190,517	22,909,994	24,673,434	23,716,855	26,160,715	18,851,515	22,469,688	103,955,902	91,198,773	79,383,854
Income (loss) from operation	11,217,168	12,925,157	7,083,518	10,487,081	6,588,283	9,917,167	5,478,488	13,333,722	41,712,924	35,317,660	55,385,462
Other income (expense)	(458,700)	(191,682)	(316,197)	(384,404)	(726,289)	(368,954)	(352,861)	(293,915)	(1,350,983)	(1,742,019)	(427,426)
Net income (loss)	$ 8,214,413	$ 9,916,194	$ 5,215,437	$ 8,099,082	$ 4,251,370	$ 7,209,131	$ 3,675,737	$ 10,378,457	$ 31,445,126	$ 25,514,695	$ 44,774,048
Earnings (loss) per shares - basic (in dollars per share)	$ 0.23	$ 0.29	$ 0.16	$ 0.25	$ 0.11	$ 0.23	$ 0.12	$ 0.35	$ 0.93	$ 0.81	$ 1.61
Earnings (loss) per shares - diluted (in dollars per share)	$ 0.23	$ 0.29	$ 0.16	$ 0.25	$ 0.11	$ 0.23	$ 0.12	$ 0.35	$ 0.93	$ 0.81	$ 1.61