Note 1 - Summary of Significant Accounting Policies (Details) (USD $)	3 Months Ended	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2013
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items]
Number of wholly owned subsidiaries	5	5
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options (in Dollars)	$ 2,320,000	$ 2,320,000
Restricted Stock [Member]
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items]
Allocated Share-based Compensation Expense (in Dollars)	149,000	289,000
Allocated Share-based Compensation Expense, Net of Tax (in Dollars)	$ 92,000	$ 179,000