Note 11 - Income Taxes (Details) - Unrecognized Tax Benefits (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Unrecognized Tax Benefits [Abstract]
Balance as of January 1	$ 342,000
Gross increase from tax positions taken during the year		28,000
Gross increase from tax positions taken during prior periods		314,000
Reductions to unrecognized tax benefits	(148,000)
Balance as of December 31	$ 194,000	$ 342,000