Quarterly report pursuant to Section 13 or 15(d)

Note 10 - Significant Concentrations and Geographical Information (Details Textual)

v3.7.0.1
Note 10 - Significant Concentrations and Geographical Information (Details Textual)
1 Months Ended 3 Months Ended 6 Months Ended
Jan. 31, 2017
Mar. 31, 2016
Jun. 30, 2017
USD ($)
Jun. 30, 2016
Jun. 30, 2017
USD ($)
Jun. 30, 2016
Accounts Receivable, Gross     $ 1,345,021   $ 1,345,021  
Long-term Purchase Commitment, Remaining Quantities     200   200  
Long-term Purchase Commitment, Remaining Amount     $ 85,480   $ 85,480  
Long-term Purchase Commitment, Minimum Quantity Required 2,000 3,000        
Long-term Purchase Commitment, Amount         $ 717,938  
Sales Revenue, Goods, Net [Member] | Customer Concentration Risk [Member]            
Number of Customers     2 2 2 3
Sales Revenue, Goods, Net [Member] | Customer Concentration Risk [Member] | Two Customers [Member]            
Concentration Risk, Percentage     69.00% 61.00% 75.00%  
Sales Revenue, Goods, Net [Member] | Customer Concentration Risk [Member] | Customer One [Member]            
Concentration Risk, Percentage     55.00% 44.00% 53.00% 38.00%
Sales Revenue, Goods, Net [Member] | Customer Concentration Risk [Member] | Customer Two [Member]            
Concentration Risk, Percentage     14.00% 17.00% 22.00% 22.00%
Sales Revenue, Goods, Net [Member] | Customer Concentration Risk [Member] | Three Customers [Member]            
Concentration Risk, Percentage           72.00%
Sales Revenue, Goods, Net [Member] | Customer Concentration Risk [Member] | Customer Three [Member]            
Concentration Risk, Percentage           12.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member]            
Concentration Risk, Percentage         2.00%  
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Two Customers [Member]            
Accounts Receivable, Gross     $ 75   $ 75