Vendor Concentration

12 Months Ended

Sep. 30, 2018

Risks and Uncertainties [Abstract]

Concentration Risk Disclosure [Text Block]

Note 14 - Vendor Concentration

The Company purchased $2.1 million and $1.4 million respectively, of its raw materials from one supplier during the years ended September 30, 2018 and 2017. As of September 30, 2018 and 2017, amounts due to this supplier included in accounts payable were $258,000 and $160,000, respectively.