Note 14 - Accumulated Other Comprehensive Income (Loss) (Details) - Changes in Accumulated Other Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Note 14 - Accumulated Other Comprehensive Income (Loss) (Details) - Changes in Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	$ (943)		$ (821)
Other comprehensive income (loss) before reclassifications	337		274
(gains) losses reclassified from accumulated other comprehensive income (loss)	(3)		(62)
Net current period other comprehensive income (loss)	334	(1,903)	212	(1,701)
Ending balance	(609)		(609)
Accumulated Net Unrealized Investment Gain (Loss) [Member]
Note 14 - Accumulated Other Comprehensive Income (Loss) (Details) - Changes in Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(511)		(391)
Other comprehensive income (loss) before reclassifications	330		270
(gains) losses reclassified from accumulated other comprehensive income (loss)	(5)		(65)
Net current period other comprehensive income (loss)	325		205
Ending balance	(186)		(186)
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Note 14 - Accumulated Other Comprehensive Income (Loss) (Details) - Changes in Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	1
Other comprehensive income (loss) before reclassifications	6		9
(gains) losses reclassified from accumulated other comprehensive income (loss)			(2)
Net current period other comprehensive income (loss)	6		7
Ending balance	7		7
Accumulated Defined Benefit Plans Adjustment [Member]
Note 14 - Accumulated Other Comprehensive Income (Loss) (Details) - Changes in Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(234)		(237)
(gains) losses reclassified from accumulated other comprehensive income (loss)	2		5
Net current period other comprehensive income (loss)	2		5
Ending balance	(232)		(232)
Accumulated Translation Adjustment [Member]
Note 14 - Accumulated Other Comprehensive Income (Loss) (Details) - Changes in Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(199)		(193)
Other comprehensive income (loss) before reclassifications	1		(5)
Net current period other comprehensive income (loss)	1		(5)
Ending balance	$ (198)		$ (198)