Note 8 - Shareholders' Equity (Details) - Outstanding Warrants and Options to Consultants and Service Providers (USD $)	Dec. 31, 2013	Dec. 31, 2012
Note 8 - Shareholders' Equity (Details) - Outstanding Warrants and Options to Consultants and Service Providers [Line Items]
Options for Common shares	712,763	832,763
Exercise price per share (in Dollars per share)	$ 1.33	$ 1.30
Options exercisable	564,763
Consultants and Service Providers [Member]
Note 8 - Shareholders' Equity (Details) - Outstanding Warrants and Options to Consultants and Service Providers [Line Items]
Options for Common shares	161,500
Options exercisable	151,125
Consultants and Service Providers [Member] | February 2005 [Member]
Note 8 - Shareholders' Equity (Details) - Outstanding Warrants and Options to Consultants and Service Providers [Line Items]
Options for Common shares	20,000
Exercise price per share (in Dollars per share)	$ 1.19
Options exercisable	20,000
Consultants and Service Providers [Member] | March 2006 [Member]
Note 8 - Shareholders' Equity (Details) - Outstanding Warrants and Options to Consultants and Service Providers [Line Items]
Options for Common shares	100,000
Exercise price per share (in Dollars per share)	$ 1.16
Options exercisable	100,000
Consultants and Service Providers [Member] | December 2010 [Member]
Note 8 - Shareholders' Equity (Details) - Outstanding Warrants and Options to Consultants and Service Providers [Line Items]
Options for Common shares	41,500
Exercise price per share (in Dollars per share)	$ 1.51
Options exercisable	31,125