Note 11 - Stock-based Compensation (Details) - Consolidated Stock-Based Compensation Expense, by Type of Awards (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Based Compensation expense			$ 158	$ 409
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Based Compensation expense	51	110	158	303
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Based Compensation expense				106
Stock Compensation Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Based Compensation expense	$ 51	$ 110	$ 158	$ 409