INTANGIBLE ASSETS, NET (Net Land Use Right and Purchased Patent) (Detail) (USD $)	9 Months Ended
	Dec. 31, 2014	Mar. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Intangible assets, net	$ 15,788,168	$ 16,684,032
Land use right
Finite-Lived Intangible Assets [Line Items]
Amortization Period	50 years
Intangible assets, gross	1,658,441	1,649,517
Less: Accumulated amortization	(274,367)	(248,148)
Intangible assets, net	1,384,074	1,401,369
Patent 1
Finite-Lived Intangible Assets [Line Items]
Amortization Period	16 years 6 months
Intangible assets, gross	7,517,568	7,477,122
Patent (non-US No. ZL200510045001.9)
Finite-Lived Intangible Assets [Line Items]
Amortization Period	13 years 9 months
Intangible assets, gross	10,132,375	10,077,860
Patent (non-US No. ZL200710013301.8)
Finite-Lived Intangible Assets [Line Items]
Amortization Period	14 years 11 months 12 days
Intangible assets, gross	1,634,254	1,625,461
Patents
Finite-Lived Intangible Assets [Line Items]
Less: Accumulated amortization	(4,880,103)	(3,897,780)
Intangible assets, net	$ 14,404,094	$ 15,282,662