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Note 9 - Stockholders' Equity (Details Textual) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended
Jul. 03, 2015
Mar. 09, 2015
Jan. 02, 2015
May. 31, 2015
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
D.A.. Davidson & Co. [Member]                
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number         800,000   800,000  
Long-term Incentive Plan [Member]                
Allocated Share-based Compensation Expense         $ 100,000   $ 300,000  
Percentage of Incentive Plan Based on Service Completion     50.00%          
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period     3 years          
Percentage of Incentive Plan Based on Shareholder Return     50.00%          
Incentive Plan, Term for ShareholderReturn     3 years          
Chief Executive Officer [Member]                
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross   600,000            
Deferred Compensation Arrangement with Individual, Maximum Contractual Term   3 years            
Annual Salary to Be Paid to Employee   $ 1            
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period   3 years            
Deferred Compensation Arrangement with Individual, Award Value       $ 2,500,000        
Former CFO [Member]                
Stock Issued During Period, Shares, New Issues 106,478              
Stock Issued During Period, Value, New Issues $ 400,000              
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options         0 $ 0 0 $ 0
Proceeds from Stock Options Exercised         $ 0   $ 0  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross         0 0 0 0
Allocated Share-based Compensation Expense         $ 800,000 $ 200,000 $ 1,300,000 $ 600,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized         $ 3,000,000   $ 3,000,000  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition             2 years