Note 10 - Shareholders' Equity (Details) - Stock Option Activity (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Stock Option Activity [Abstract]
Shares	1,070,000	1,790,002	2,145,003
Weighted Average Exercise Price Per Option (in Dollars per share)	$ 1.58	$ 1.49	$ 1.49
Options exercisable, December 31, 2013	921,667
Options exercisable, December 31, 2013 (in Dollars per share)	$ 1.60
Shares, Granted	120,000	0
Weighted Average Exercise Price Per Option, Granted (in Dollars per share)	$ 1.51
Shares, Exercised	(765,002)	(6,667)
Weighted Average Exercise Price Per Option, Exercised (in Dollars per share)	$ 1.38	$ 1.23
Shares, Canceled, Expired, Forfeited	(75,000)	(348,334)
Weighted Average Exercise Price Per Option, Canceled, Expired, Forfeited (in Dollars per share)	$ 1.48	$ 1.50