Note 13 - Stock Option Plans (Details) (USD $)	12 Months Ended		129 Months Ended	12 Months Ended			1 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2013 The 2003 Plan [Member]	Dec. 31, 2012 The 2003 Plan [Member]	Dec. 31, 2011 The 2003 Plan [Member]	Aug. 31, 2000 The Directors Plan [Member] Director [Member]	Dec. 31, 2011 The Directors Plan [Member]	Aug. 31, 2000 The Directors Plan [Member]
Note 13 - Stock Option Plans (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized				450,000					200,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	2 years			3 years
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	17,000	17,000	1,215,500		0	152,500	5,000
Share-based Compensation Arrangement By Share-based Payment Award, Number Of Options Ungranted				80,000				48,000
Number Of Options Each Director Received At Each Annual Meeting									4,000
Options Vesting, Percentage On First And Second Anniversary									50.00%
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period			724,320
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period	92,000	14,000	220,680
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number	194,167	220,833	194,167
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number	76,333		76,333
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term	10 years	10 years
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized (in Dollars)	$ 49,000		$ 49,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition	1 year 6 months