Note 3 - Balance Sheet Components (Details) - Other Long-Term Assets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Other Long-Term Assets [Abstract]
Deferred compensation plan assets	$ 2,570	$ 607
Prepaid expense	1,632	57
Other	957	980
Total other long-term assets	$ 5,159	$ 1,644