Goodwill	6 Months Ended
Jun. 30, 2020
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	Goodwill Goodwill was approximately $10.5 million at June 30, 2020 and December 31, 2019 and has been allocated to the Lightwave segment.

The entire disclosure for goodwill.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-URI http://asc.fasb.org/subtopic&trid=2144439

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