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Note 2 - Summary of Significant Accounting Policies (Details Textual) - USD ($)
12 Months Ended
Jun. 30, 2015
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Software and Software Development Costs [Member] | Minimum [Member]        
Property, Plant and Equipment, Useful Life   5 years    
Software and Software Development Costs [Member] | Maximum [Member]        
Property, Plant and Equipment, Useful Life   10 years    
Goodwill, Impairment Loss $ 0 $ 0 $ 0 $ 0
Asset Impairment Charges   0 0 $ 0
Maximum Balance Per Bank Account Insured by Federal Deposit Insurance Corporation   250,000    
Estimated Liability for Appeals   $ 33,078,000 $ 36,799,000  
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate   0.00%