Note 7 - Stockholders' Equity (Details) (USD $)	9 Months Ended
	Sep. 30, 2013	Dec. 31, 2012
Note 7 - Stockholders' Equity (Details) [Line Items]
Warrants Exercised During Period	59,000
Treasury Stock, Shares	905,349	905,349
Treasury Stock Acquired, Average Cost Per Share (in Dollars per share)	$ 9.38
Stock Repurchase Program, Remaining Authorized Repurchase Amount (in Dollars)	$ 10,200,000
Employee Stock Option [Member]
Note 7 - Stockholders' Equity (Details) [Line Items]
Stock Issued During Period, Shares, Share-based Compensation, Gross	1,500,000
Restricted Stock [Member] | Officers and Employees [Member]
Note 7 - Stockholders' Equity (Details) [Line Items]
Stock Issued During Period, Shares, Restricted Stock Award, Gross	231,000
Stock Issued During Period, Value, Restricted Stock Award, Gross (in Dollars)	3,200,000
Restricted Stock [Member] | Board of Directors[Member]
Note 7 - Stockholders' Equity (Details) [Line Items]
Stock Issued During Period, Shares, Restricted Stock Award, Gross	20,000
Stock Issued During Period, Value, Restricted Stock Award, Gross (in Dollars)	$ 485,000
Restricted Stock [Member]
Note 7 - Stockholders' Equity (Details) [Line Items]
Stock Issued During Period, Shares, Share-based Compensation, Gross	37,000