Annual report pursuant to Section 13 and 15(d)

Intellectual Property (Narrative) (Details)

v3.10.0.1
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
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