Quarterly report pursuant to Section 13 or 15(d)

Note 7 - Concentrations (Details Textual)

v3.8.0.1
Note 7 - Concentrations (Details Textual)
3 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Customer Concentration Risk [Member] | Sales Revenue, Net [Member]    
Number of Major Customers 3 2
Customer Concentration Risk [Member] | Sales Revenue, Net [Member] | Three Customers [Member]    
Concentration Risk, Percentage 71.00%  
Customer Concentration Risk [Member] | Sales Revenue, Net [Member] | Two Customers [Member]    
Concentration Risk, Percentage   50.00%
Supplier Concentration Risk [Member] | Cost of Goods, Total [Member]    
Number of Major Suppliers 3 3
Supplier Concentration Risk [Member] | Cost of Goods, Total [Member] | Three Suppliers [Member]    
Concentration Risk, Percentage 50.00% 54.00%