Annual report pursuant to Section 13 and 15(d)

Concentration of Risk

Concentration of Risk
12 Months Ended
Dec. 31, 2017
Risks and Uncertainties [Abstract]  
Concentration Risk Disclosure [Text Block]
Concentration of Risk
The Company had no single customer exceeding 10% of either its 2017 and 2016 revenue or its outstanding accounts receivable balance as of December 31, 2017 or 2016.