Intangible Assets (Details 2) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Nine Months Ended December 31, 2018	$ 378
Year Ended December 31, 2019	1,122
Total	1,500	$ 3,578
7/24/13 - Rockstar Patent Portfolio Acquired [Member]
Nine Months Ended December 31, 2018	42
Year Ended December 31, 2019	129
Total	171
9/10/13 - North South patent portfolio Acquired [Member]
Nine Months Ended December 31, 2018	15
Year Ended December 31, 2019	42
Total	57
12/31/13 - Rockstar Patent Portfolio Acquired [Member]
Nine Months Ended December 31, 2018	321
Year Ended December 31, 2019	951
Total	$ 1,272

Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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