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Note 10
9 Months Ended
Sep. 30, 2015
Notes to Financial Statements  
Line Of Credit Facilities [Text Block]
10.     On October 30, 2014, the Company terminated its credit facility with Wells Fargo Bank, N.A. Therefore, as of September 30, 2015, the Company had no outstanding bank debt. As a result of having zero outstanding bank debt on September 30, 2015 and the cancellation of its line of credit with Wells Fargo Bank, N.A., the Company does not have any bank covenants for the third quarter 2015.