Note 9 - Incentive Compensation Plan (Details) - Vested Maximum Benefit Payable to Ex-Employees	Sep. 30, 2013
Note 9 - Incentive Compensation Plan (Details) - Vested Maximum Benefit Payable to Ex-Employees [Line Items]
Number of shares under plan	367,785
Chief Executive Officer [Member]
Note 9 - Incentive Compensation Plan (Details) - Vested Maximum Benefit Payable to Ex-Employees [Line Items]
Number of shares under plan	259,870
Other Employees [Member]
Note 9 - Incentive Compensation Plan (Details) - Vested Maximum Benefit Payable to Ex-Employees [Line Items]
Number of shares under plan	107,915