The value (monetary amount) of the award the plaintiff seeks in the legal matter.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 9
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-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14557-108349

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349

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Note 10 - Commitments and Contingencies (Details Textual) ₪ in Millions, $ in Millions	May 21, 2018 USD ($)	May 21, 2018 ILS (₪)	Mar. 29, 2016 USD ($)
Former Local Sales Representative vs. Ormat [Member] \| Pending Litigation [Member]
Loss Contingency, Damages Sought, Value			$ 4.8
Loss Contingency, Additional Damages Sought for Ormat Geothermal Products Sales in Chile, Percent			3.75%
Loss Contingency, Damages Sought, Ormat Geothermal Products Sales in Chile, Period			10 years
Heit vs Ormat Technologies, Inc. et al (C.A. 44366-05-18) [Member] \| Subsequent Event [Member]
Loss Contingency, Damages Sought, Value	$ 26.0	₪ 93