SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Detail) (USD $)	3 Months Ended		6 Months Ended			3 Months Ended	1 Months Ended		3 Months Ended	1 Months Ended	3 Months Ended		1 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Mar. 31, 2012	Sep. 30, 2012 Patent 1	Mar. 31, 2010 Patent 1 Shandong YCT	Oct. 31, 2011 Patents (non-US No. ZL200510045001.9)	Sep. 30, 2012 Patents (non-US No. ZL200510045001.9)	Oct. 31, 2011 Patents (non-US No. ZL200710013301.8)	Sep. 30, 2012 Patents (non-US No. ZL200710013301.8)	Sep. 30, 2012 Land use rights	Feb. 28, 2011 Patent (U.S. No. 6,475,531 B1)	Feb. 28, 2011 Patent (U.S. No. 6,475,531 B1) L.Y. Hong Kong Biotech Limited
Accounting Policies [Line Items]
Useful life of intangible assets						16 years 6 months	16 years 6 months	13 years 9 months	13 years 9 months	14 years 11 months 12 days	14 years 11 months 12 days	50 years	9 years 10 months 24 days	9 years 10 months 24 days
Value-added tax rate	17.00%
Net VAT payable	$ 127,232		$ 127,232		$ 225,223
Research and development expense	326,135	200,303	548,700	393,821
Advertising costs	315,736	155,821	601,115	232,731
Mailing and handling costs	267,985	271,144	546,592	661,154
Shares used in computation of diluted earnings per share	31,610,679	31,610,679
Foreign currency transaction and translation adjustment	$ 3,171,499		$ 3,171,499		$ 3,341,156