Note 13 - Stock Option Plans (Details) - Stock Option Activity (USD $)	12 Months Ended		129 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013
Note 13 - Stock Option Plans (Details) - Stock Option Activity [Line Items]
Options outstanding at January 1	345,500	342,500
Options cancelled	(92,000)	(14,000)	(220,680)
Options granted	17,000	17,000	1,215,500
Options outstanding at December 31	270,500	345,500	270,500
Options available for grant at December 31	154,000	368,500	154,000
Options exercisable at December 31	194,167	220,833	194,167
Granted	$ 1.33	$ 1.64
Outstanding at December 31	$ 1.75	$ 1.72	$ 1.75
Exercisable at December 31	$ 1.83	$ 1.77	$ 1.83
Minimum [Member]
Note 13 - Stock Option Plans (Details) - Stock Option Activity [Line Items]
Outstanding	$ 0.69	$ 0.69	$ 0.69
Maximum [Member]
Note 13 - Stock Option Plans (Details) - Stock Option Activity [Line Items]
Outstanding	$ 3.84	$ 3.84	$ 3.84