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Inventories (Details) (USD $)	May 31, 2014	Feb. 28, 2014
Inventories Tables
Finished goods	$ 374,459	$ 445,035
Work in process	603,054	402,377
Raw materials	1,038,964	1,022,496
Total	2,016,477	1,869,908
Less: Allowance	225,093	195,093
Net inventories	$ 1,791,384	$ 1,674,815

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