XML 40 R20.htm IDEA: XBRL DOCUMENT

Warranty Liability	12 Months Ended
Dec. 31, 2022
Disclosure Warranty Liability Abstract
Warranty Liability	Note 14 - Warranty Liability For the year ended December 31, 2022 and 2021 there was no change in our warranty liability. We estimate our warranty liability based on past experiences and estimated replacement cost of material and labor to replace the critical turbine in the units that are still under warranty.

Warranty Liability

12 Months Ended

Dec. 31, 2022

Disclosure Warranty Liability Abstract

Note 14 - Warranty Liability

For the year ended December 31, 2022 and 2021 there was no change in our warranty liability. We estimate our warranty liability based on past experiences and estimated replacement cost of material and labor to replace the critical turbine in the units that are still under warranty.