Note 8 - Goodwill and Patents (Details Textual) $ in Thousands |
3 Months Ended | 9 Months Ended |
---|---|---|
Sep. 30, 2017
USD ($)
|
Jun. 30, 2018
USD ($)
|
|
Goodwill, Impairment Loss | $ 0 | $ 0 |
Number of Patents Granted | 13 | |
Patents [Member] | ||
Finite-Lived Intangible Asset, Useful Life | 20 years |
X | ||||||||||
- Definition Represents the number of patents granted in the United States. No definition available.
|
X | ||||||||||
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
|
X | ||||||||||
- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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X | ||||||||||
- Details
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