SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Detail) (USD $)	1 Months Ended	3 Months Ended		9 Months Ended			3 Months Ended	1 Months Ended		3 Months Ended	1 Months Ended	3 Months Ended		1 Months Ended
	Feb. 28, 2011	Dec. 31, 2012	Dec. 30, 2011	Dec. 31, 2012	Dec. 31, 2011	Mar. 31, 2012	Dec. 31, 2012 Patent 1	Mar. 31, 2010 Patent 1 Shandong YCT	Oct. 31, 2011 Patents (non-US No. ZL200510045001.9)	Dec. 31, 2012 Patents (non-US No. ZL200510045001.9)	Oct. 31, 2011 Patents (non-US No. ZL200710013301.8)	Dec. 31, 2012 Patents (non-US No. ZL200710013301.8)	Dec. 31, 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	9 years 10 months 24 days						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		$ 369,944		$ 369,944		$ 225,223
Research and development expense		723,790	183,693	1,272,490	577,514
Advertising costs		158,750	157,712	759,866	390,452
Mailing and handling costs		218,820	1,475	765,413	662,629
Shares used in computation of diluted earnings per share		31,610,679	31,610,679
Foreign currency transaction and translation adjustment		$ 3,646,363		$ 3,646,363		$ 3,341,156