Intellectual Property (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 12 Months Ended | |||||
|---|---|---|---|---|---|---|---|
Apr. 13, 2017 |
Dec. 31, 2017 |
Sep. 30, 2017 |
Jun. 30, 2017 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
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| Impairment charge | $ 0 | $ 0 | $ 2,411 | $ 0 | $ 2,411 | $ 0 | |
| Useful life of intangible asset | 10 years | ||||||
| Intellectual property related expenditures | 0 | $ 615 | 200 | ||||
| Amortization of intangible asset | $ 190 | 163 | $ 128 | ||||
| Ebonex IPR Limited | Intellectual Property | |||||||
| Total consideration | $ 2,500 | ||||||
| Closing market price (in dollars per share) | $ 17.36 | ||||||
| Increase in intellectual property | $ 2,500 | ||||||
| Useful life of intangible asset | 10 years | ||||||
| Ebonex IPR Limited | Patents | |||||||
| Fair value of patent acquired | $ 112 | ||||||
| Ebonex IPR Limited | Common Stock | Ebonex IPR Limited | Intellectual Property | |||||||
| Common stock issued (in shares) | 123,776 | ||||||
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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination. No definition available.
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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- 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.
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- Definition Amount of increase (decrease) in carrying value of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. No definition available.
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- Definition Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition. No definition available.
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- Definition The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The cash outflow to acquire asset without physical form usually arising from contractual or other legal rights, excluding goodwill. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Number of new stock issued during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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