Note 15 - Industry Segments (Details) - Industry Segments - Asset Information (USD $)	Dec. 31, 2013	Dec. 31, 2012
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	$ 10,627,000	$ 9,936,000
Operating Segments [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	8,441,000	7,962,000
Corporate Segment [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	$ 2,186,000	$ 1,974,000