Intangible Assets (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
---|---|---|---|---|
Mar. 31, 2018 |
Mar. 31, 2017 |
Mar. 31, 2018 |
Mar. 31, 2017 |
|
Finite-Lived Intangible Assets [Line Items] | ||||
Amortization of Intangible Assets | $ 86 | $ 88 | $ 256 | $ 264 |
Patents [Member] | ||||
Finite-Lived Intangible Assets [Line Items] | ||||
Finite-Lived Intangible Asset, Useful Life | 10 years | |||
Maximum [Member] | Intellectual Property [Member] | ||||
Finite-Lived Intangible Assets [Line Items] | ||||
Finite-Lived Intangible Asset, Useful Life | 23 years | |||
Minimum [Member] | Intellectual Property [Member] | ||||
Finite-Lived Intangible Assets [Line Items] | ||||
Finite-Lived Intangible Asset, Useful Life | 16 years |