F. Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Gross Amount	$ 5,460	$ 4,982
Accumulated amortization	(1,560)	(1,149)
Intangible assets, net	3,900	3,833
Patents [Member]
Gross Amount	5,446	4,968
Accumulated amortization	(1,551)	(1,141)
Intangible assets, net	3,895	3,827
Trademarks [Member]
Gross Amount	14	14
Accumulated amortization	(9)	(8)
Intangible assets, net	$ 5	$ 6

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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

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

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