CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME (USD $)	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Sales
Net sales	$ 217,524,205	$ 179,717,966	$ 52,090,752
Cost of goods sold
Cost of goods sold	138,248,972	116,097,931	21,138,552
Gross profit	79,275,233	63,620,035	30,952,200
Operating expenses
Selling expenses	11,548,816	7,121,905	2,203,345
General and administrative expenses	13,801,407	14,386,699	3,822,234
Total operating expenses	25,350,223	21,508,604	6,025,579
Income from operations	53,925,010	42,111,431	24,926,621
Other income (expense)
Other income (expense)	60,212	23,999	(5,321)
Interest income	364,536	282,727	275,449
Interest expense, net	(1,590,620)	(466,912)	(112,475)
Total other income (expense)	(1,165,872)	(160,186)	157,653
Income before income taxes	52,759,138	41,951,245	25,084,274
Provision for income taxes	10,801,313	9,037,144	3,794,516
Net income	41,957,825	32,914,101	21,289,758
Other comprehensive income
Foreign currency translation gain	4,876,751	7,547,145	899,481
Comprehensive income	46,834,576	40,461,246	22,189,239
Basic weighted average shares outstanding (in shares)	26,943,530	25,929,517	23,468,246
Basic net earnings per share (in dollars per share)	$ 1.56	$ 1.27	$ 0.91
Diluted weighted average shares outstanding (in shares)	26,943,530	25,929,517	23,468,246
Diluted net earnings per share (in dollars per share)	$ 1.56	$ 1.27	$ 0.91
Jinong [Member]
Sales
Net sales	88,168,740	65,629,264	45,816,377
Cost of goods sold
Cost of goods sold	34,129,304	26,449,117	17,700,532
Operating expenses
Income from operations	43,636,915	34,051,094	25,160,683
Other income (expense)
Interest expense, net	0	0	(112,475)
Provision for income taxes	6,597,765	5,157,185	3,794,516
Net income	37,363,672	29,139,457	21,502,252
Gufeng [Member]
Sales
Net sales	121,480,943	107,081,018	0
Cost of goods sold
Cost of goods sold	96,756,719	85,670,990	0
Operating expenses
Income from operations	18,211,687	15,288,871	0
Other income (expense)
Interest expense, net	(1,590,620)	(466,912)	0
Provision for income taxes	4,203,548	3,879,959	0
Net income	12,335,102	10,995,984	0
Jintai [Member]
Sales
Net sales	5,792,002	6,826,933	6,274,375
Cost of goods sold
Cost of goods sold	5,415,970	3,841,391	3,438,020
Operating expenses
Income from operations	(1,863,529)	(96,343)	2,640,016
Other income (expense)
Net income	(1,863,235)	(96,244)	2,640,233
Yuxing [Member]
Sales
Net sales	2,082,520	180,750	0
Cost of goods sold
Cost of goods sold	1,946,979	136,433	0
Operating expenses
Income from operations	(352,996)	(296,832)	(181,313)
Other income (expense)
Net income	$ (170,996)	$ (293,914)	$ (181,304)