Segment Information (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Breakdown of revenue, costs of sales and gross profit by segment
Segment revenues	$ 28,561,829	$ 23,832,727
Segment costs of sales	18,617,364	15,062,519
Segment gross profit	9,944,465	8,770,208
Organic Trace Mineral Additives [Member]
Breakdown of revenue, costs of sales and gross profit by segment
Segment revenues	24,588,201	18,855,958
Segment costs of sales	15,719,425	11,907,294
Segment gross profit	8,868,775	6,948,664
Functional Regulation Additives [Member]
Breakdown of revenue, costs of sales and gross profit by segment
Segment revenues	3,056,847	4,163,823
Segment costs of sales	2,046,917	2,571,920
Segment gross profit	1,009,931	1,591,903
Herbal Medicinal Additives [Member]
Breakdown of revenue, costs of sales and gross profit by segment
Segment revenues	293,454	281,036
Segment costs of sales	269,844	219,856
Segment gross profit	23,610	61,180
Other [Member]
Breakdown of revenue, costs of sales and gross profit by segment
Segment revenues	623,327	531,910
Segment costs of sales	581,178	363,449
Segment gross profit	$ 42,149	$ 168,461