Note 13 - Stock Option Plans (Details) - Stock Options Outstanding (USD $)				12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Options Outstanding Exercise Price Range 1 [Member]	Dec. 31, 2013 Options Outstanding Exercise Price Range 2 [Member]	Dec. 31, 2013 Options Outstanding Exercise Price Range 3 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Lower Range of Exercise Price				$ 0.69	$ 3.30	$ 0.69
Upper Range of Exercise Price				$ 2.08	$ 3.84	$ 3.84
Options Outstanding (in Shares)	270,500	345,500	342,500	246,500	24,000	270,500
Weighted-Average Contractual Life Remaining				6 years 328 days	3 years 328 days	6 years 219 days
Weighted-Average Exercise Price	$ 1.75	$ 1.72		$ 1.58	$ 3.57	$ 1.75
Aggregate Intrinsic Value (in Dollars)				$ 28,500		$ 28,500