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Intangible Assets - Estimated Amortization Expense (Details)
Sep. 30, 2019
USD ($)
Finite-Lived Intangible Assets [Line Items]  
2020 $ 95,000
2021 45,000
2022 45,000
2023 37,000
2024 11,000
Thereafter 137,000
Total 370,000
Acquired Customer Base [Member]  
Finite-Lived Intangible Assets [Line Items]  
2020 50,000
2021 0
2022 0
2023 0
2024 0
Thereafter 0
Total 50,000
Know How [Member]  
Finite-Lived Intangible Assets [Line Items]  
2020 34,000
2021 34,000
2022 34,000
2023 26,000
2024 0
Thereafter 0
Total 128,000
Patents [Member]  
Finite-Lived Intangible Assets [Line Items]  
2020 11,000
2021 11,000
2022 11,000
2023 11,000
2024 11,000
Thereafter 137,000
Total $ 192,000