Government Grants (Schedule Of Capital Asset Purchases, Partially Funded By Government Grants) (Details) (USD $)	Jun. 30, 2013	Mar. 31, 2013
Government Grants [Line Items]
Purchase Cost	$ 18,615,286	$ 18,384,532
Grant Funding	9,307,643	9,192,266
Recorded Value	9,307,643	9,192,266
Land [Member]
Government Grants [Line Items]
Purchase Cost	896,388	896,388
Grant Funding	448,194	448,194
Recorded Value	448,194	448,194
Building [Member]
Government Grants [Line Items]
Purchase Cost	9,906,736	9,906,736
Grant Funding	4,953,368	4,953,368
Recorded Value	4,953,368	4,953,368
Machinery and equipment [Member]
Government Grants [Line Items]
Purchase Cost	7,812,162	7,581,408
Grant Funding	3,906,081	3,790,704
Recorded Value	$ 3,906,081	$ 3,790,704