Note 11 - Income Taxes (Details) - Reconciliation of Beginning and Ending Amount of Unrecognized Tax Benefits (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Reconciliation of Beginning and Ending Amount of Unrecognized Tax Benefits [Abstract]
Balance as of January 1	$ 41,000	$ 63,000
Additions for tax positions related to the current year		2,000
Reductions for tax positions of prior years due to lapse of statute of limitation	(41,000)	(24,000)
Balance as of December 31	$ 0	$ 41,000