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Inventories (Details) (USD $)	Aug. 31, 2014	Feb. 28, 2014
Inventories Tables
Finished goods	$ 474,025	$ 445,035
Work in process	565,562	402,377
Raw materials	1,221,710	1,022,496
Total	2,261,297	1,869,908
Less: Allowance	255,093	195,093
Net inventories	$ 2,006,204	$ 1,674,815

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