CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($)	12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Revenue	$ 37,943,113	$ 34,062,632
Cost of Goods Sold	18,573,370	16,134,479
Gross profit	19,369,743	17,928,153
Operating Expenses
Selling Expenses	3,234,248	2,898,160
General & Administrative Expense	3,448,660	3,077,177
Research & Development Expenses	887,782	1,234,393
Total operating expenses	7,570,690	7,209,730
Income from operation	11,799,053	10,718,423
Interest income	86,019	79,364
Income before income tax	11,885,072	10,797,787
Income tax	2,994,599	2,676,813
Net income	8,890,473	8,120,974
Other comprehensive income
Foreign currency translation adjustment	114,919	841,999
Comprehensive income	$ 9,005,392	$ 8,962,973
Earnings per common share
Basic and Diluted	$ 0.30	$ 0.27
Weighted average number of common shares outstanding: Basic and Diluted	29,693,296	29,663,023