CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($)	12 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Sales	$ 47,827,108	$ 37,943,113
Cost of Goods Sold	26,554,022	18,573,370
Gross profit	21,273,086	19,369,743
Operating Expenses
Selling Expenses	3,759,920	3,234,248
General & Administrative Expenses	4,446,983	3,448,660
Research & Development Expenses	724,287	887,782
Impairment of patent	1,114,942
Total operating expenses	10,046,132	7,570,690
Income from operations	11,226,954	11,799,053
Interest income	30,850	86,019
Income before income tax provision	11,257,804	11,885,072
Income tax provision	2,841,035	2,994,599
Net income	8,416,769	8,890,473
Other comprehensive income (loss)
Foreign currency translation adjustment	(3,914,783)	114,919
Comprehensive income	$ 4,501,986	$ 9,005,392
Earnings per common share: Basic and Diluted	$ 0.28	$ 0.30
Weighted average number of common shares outstanding: Basic and Diluted	29,709,706	29,693,296