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Note 11 - Note Payable (Details Textual) (USD $)	Nov. 30, 2014	Feb. 28, 2014
Debt Disclosure [Abstract]
Long-term Debt	$ 6,400,000us-gaap_LongTermDebt	$ 6,400,000us-gaap_LongTermDebt
Wells Fargo Bank [Member]
Debt Disclosure [Abstract]
Long-term Debt	$ 6,400,000

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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