Note 16 - Fair Value Measurements (Details)	12 Months Ended
Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Discounted Appraised Value [Member]
Note 16 - Fair Value Measurements (Details) [Line Items]
Number of Impair Loans		1
Changes Measurement [Member] \| Fair Value, Measurements, Nonrecurring [Member] \| Loans Held-for-sale [Member]
Note 16 - Fair Value Measurements (Details) [Line Items]
Assets, Fair Value Adjustment	$ 0	$ 0

Amount of addition (reduction) to the amount at which an asset could be incurred (settled) in a current transaction between willing parties.

No definition available.

Name:	us-gaap_AssetsFairValueAdjustment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration