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Patents and Other Intangible Assets (Details 1) - Patents [Member]
Dec. 31, 2018
USD ($)
Finite-Lived Intangible Assets [Line Items]  
2019 $ 169,000
2020 142,000
2021 88,000
2022 62,000
2023 32,000
Thereafter 7,000
Finite-Lived Intangible Assets, Net $ 500,000