Note 14 - Subsequent Events	6 Months Ended
Jun. 30, 2013
Subsequent Events [Abstract]
Subsequent Events [Text Block]	NOTE 14 — SUBSEQUENT EVENTS Cash dividend On August 6, 2013, the Company’s Board of Directors declared, approved and authorized payment of a quarterly dividend of $1.8 million ($0.04 per share) to all holders of the Company’s issued and outstanding shares of common stock on August 19, 2013, payable on August 29, 2013. Olkaria III loan On July 15, 2013 a wholly owned subsidiary of Ormat Technologies, Inc. completed the conversion of the $263.0 million outstanding loan with Overseas Private Investment Corporation (“OPIC”) from a floating rate of interest to a fixed interest rate. The conversion was completed for both tranches of the facility, which is being used to finance the Olkaria III complex in Naivasha, Kenya. The average fixed interest rate for Tranche I, which has an outstanding balance of $82.6 million and matures on December 15, 2030 and for Tranche II, which has an outstanding balance of $180.0 million and matures on June 15, 2030, was set at 6.31%.

Note 14 - Subsequent Events

6 Months Ended

Jun. 30, 2013

NOTE 14 — SUBSEQUENT EVENTS

Cash dividend

On August 6, 2013, the Company’s Board of Directors declared, approved and authorized payment of a quarterly dividend of $1.8 million ($0.04 per share) to all holders of the Company’s issued and outstanding shares of common stock on August 19, 2013, payable on August 29, 2013.

Olkaria III loan

On July 15, 2013 a wholly owned subsidiary of Ormat Technologies, Inc. completed the conversion of the $263.0 million outstanding loan with Overseas Private Investment Corporation (“OPIC”) from a floating rate of interest to a fixed interest rate. The conversion was completed for both tranches of the facility, which is being used to finance the Olkaria III complex in Naivasha, Kenya. The average fixed interest rate for Tranche I, which has an outstanding balance of $82.6 million and matures on December 15, 2030 and for Tranche II, which has an outstanding balance of $180.0 million and matures on June 15, 2030, was set at 6.31%.