Quarterly report pursuant to Section 13 or 15(d)

Note 13 - Concentration (Details Textual)

v3.10.0.1
Note 13 - Concentration (Details Textual)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2018
USD ($)
Sep. 30, 2017
Sep. 30, 2018
USD ($)
Sep. 30, 2017
Dec. 31, 2017
USD ($)
Accounts Receivable, Gross $ 1,695,967   $ 1,695,967   $ 2,555,476
Sales Revenue, Goods, Net [Member] | Customer Concentration Risk [Member]          
Number of Customers 1 2 1 2  
Sales Revenue, Goods, Net [Member] | Customer Concentration Risk [Member] | One Customer [Member]          
Concentration Risk, Percentage 35.00%   48.00%    
Sales Revenue, Goods, Net [Member] | Customer Concentration Risk [Member] | Two Customers [Member]          
Concentration Risk, Percentage   67.00%   72.00%  
Sales Revenue, Goods, Net [Member] | Customer Concentration Risk [Member] | Customer One [Member]          
Concentration Risk, Percentage   54.00%   53.00%  
Sales Revenue, Goods, Net [Member] | Customer Concentration Risk [Member] | Customer Two [Member]          
Concentration Risk, Percentage   13.00%   19.00%  
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Customer One [Member]          
Concentration Risk, Percentage 55.00%       53.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Customer Two [Member]          
Concentration Risk, Percentage 19.00%       25.00%