Note 13 - Fair Value Measurements - Fair Values Financial Assets and Liabilities Measured on a Non-recurring Basis (Details) - Fair Value, Inputs, Level 2 [Member]	Mar. 01, 2016 USD ($)
Disposal Group, Held-for-sale, Not Discontinued Operations [Member]
Assets, Fair Value Disclosure, Nonrecurring	$ 1,566
Assets Held for Use [Member]
Assets, Fair Value Disclosure, Nonrecurring	3,407
Assets, Fair Value Disclosure, Nonrecurring	$ 4,973

This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a nonrecurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.

No definition available.

Name:	us-gaap_AssetsFairValueDisclosureNonrecurring
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant