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Note 4 - Property and Equipment, Net (Detail) - Property and equipment (USD $)
Aug. 31, 2012
Feb. 29, 2012
Land $ 513,618 $ 513,618
Building 4,742,905 4,700,905
Machinery and equipment 8,655,720 8,580,960
Furniture and fixtures 1,448,943 1,614,484
Leasehold improvements 1,814,118 2,064,345
Transportation equipment 362,413 360,582
17,537,717 17,834,894
Less accumulated depreciation 9,716,619 9,319,250
Property and equipment, net $ 7,821,098 $ 8,515,644