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Patents and Other Intangible Assets (Details 1) - Patents [Member]
Jun. 30, 2018
USD ($)
Finite-Lived Intangible Assets [Line Items]  
2018 $ 130,000
2019 238,000
2020 152,000
2021 63,000
2022 30,000
Thereafter 21,000
Finite-Lived Intangible Assets, Net $ 634,000