Note 5 - Property and Equipment and Assets Held for Sale (Details) (USD $) In Thousands, unless otherwise specified	1 Months Ended	12 Months Ended			3 Months Ended
	Dec. 31, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Mar. 27, 2014 Subsequent Event [Member]
Note 5 - Property and Equipment and Assets Held for Sale (Details) [Line Items]
Depreciation		$ 660	$ 637	$ 589
Impairment of Long-Lived Assets to be Disposed of	608	608
Proceeds from Sale of Property, Plant, and Equipment			$ 3	$ 19	$ 130