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Segment Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Revenues	$ 8,538	$ 10,241
Revenues percentage	100.00%	100.00%
United States [Member]
Revenues	$ 4,247	$ 4,187
Revenues percentage	50.00%	41.00%
Japan [Member]
Revenues	$ 2,877	$ 2,800
Revenues percentage	34.00%	27.00%
Germany [Member]
Revenues	$ 803	$ 1,188
Revenues percentage	9.00%	12.00%
China [Member]
Revenues	$ 221	$ 737
Revenues percentage	3.00%	7.00%
Taiwan [Member]
Revenues	$ 189	$ 268
Revenues percentage	2.00%	3.00%
South Korea [Member]
Revenues	$ 48	$ 176
Revenues percentage	1.00%	2.00%
Other [Member]
Revenues	$ 153	$ 134
Revenues percentage	1.00%	1.00%
Sweden [Member]
Revenues		$ 515
Revenues percentage		5.00%
Singapore [Member]
Revenues		$ 147
Revenues percentage		1.00%
Canada [Member]
Revenues		$ 89
Revenues percentage		1.00%

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+ References

No definition available.

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 32
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599

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