Note 7 - Stockholders' Equity (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Dec. 31, 2013
Note 7 - Stockholders' Equity (Details) [Line Items]
Warrants Exercised During Period	69,000
Treasury Stock, Shares, Acquired	0
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)	$ 10.2
Employee Stock Option [Member]
Note 7 - Stockholders' Equity (Details) [Line Items]
Stock Issued During Period, Shares, Share-based Compensation, Gross	973,000
Restricted Stock [Member] | Certain Officers and Employees [Member]
Note 7 - Stockholders' Equity (Details) [Line Items]
Stock Issued During Period, Shares, Share-based Compensation, Gross	83,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage	50.00%
Restricted Stock [Member]
Note 7 - Stockholders' Equity (Details) [Line Items]
Stock Issued During Period, Shares, Share-based Compensation, Gross	62,000
Certain Officers and Employees [Member]
Note 7 - Stockholders' Equity (Details) [Line Items]
Stock Issued During Period, Shares, Restricted Stock Award, Gross	98,000
Stock Issued During Period, Value, Restricted Stock Award, Gross (in Dollars)	$ 3.2