Note 8 - Leases and Commitments (Details) (USD $)	Jun. 30, 2014	Feb. 28, 2014
Note 8 - Leases and Commitments (Details) [Line Items]
Capital Leases, Future Minimum Payments Due	$ 54,000,000
Capital Lease Obligations, Current	21,700,000
Accrued Professional Fees	1,700,000
Non-Revenue Equipment [Member]
Note 8 - Leases and Commitments (Details) [Line Items]
Purchase Obligation	1,200,000
Revenue Equipment [Member]
Note 8 - Leases and Commitments (Details) [Line Items]
Purchase Obligation	16,000,000
Capital Lease Obligations [Member]
Note 8 - Leases and Commitments (Details) [Line Items]
Interest Payable	1,900,000
Maximum Authorized Amount of New Capital Leases		$ 20,000,000