Note 12 - Leases and Commitments (Details) (USD $)	May 31, 2012	Sep. 30, 2013 Revenue and Non-revenue Equipment [Member]
Note 12 - Leases and Commitments (Details) [Line Items]
Purchase Obligation	$ 360,000	$ 14,500,000

Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier.

No definition available.