Note 9 - Equity (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Jan. 31, 2011
Note 9 - Equity (Details) [Line Items]
Stock Repurchase Program, Number of Shares Authorized to be Repurchased			8,000,000
Treasury Stock, Shares, Acquired	0	0
Preferred Stock, Shares Authorized	10,000,000	10,000,000
Preferred Stock, Par or Stated Value Per Share (in Dollars per share)	$ 0	$ 0
Preferred Class A [Member]
Note 9 - Equity (Details) [Line Items]
Preferred Stock, Shares Authorized	10,000,000	10,000,000
Preferred Stock, Par or Stated Value Per Share (in Dollars per share)	$ 0	$ 0