Note 8 - Earnings (Loss) Per Share (Details) - Reconciliation of Number of Shares Used in Computation of Basic and Diluted Earnings (Loss) Per Share In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Reconciliation of Number of Shares Used in Computation of Basic and Diluted Earnings (Loss) Per Share [Abstract]
Weighted average number of shares used in computation of basic earnings per share	45,438	45,431	45,433	45,431
Additional shares from the assumed exercise of employee stock-based awards	56		21	7
Weighted average number of shares used in computation of diluted earnings per share	45,494	45,431	45,454	45,438