Goodwill and Intangible Assets	12 Months Ended
Oct. 31, 2018
Goodwill And Intangible Assets Disclosure [Abstract]
Goodwill and Intangible Assets	Note 7. Goodwill and Intangible Assets As of October 31, 2018 and 2017, the Company had goodwill of $4.1 million and intangible assets of $9.6 million that was recorded in connection with the 2012 Versa acquisition. The intangible asset represents indefinite lived in-process research and development for cumulative research and development efforts associated with the development of solid oxide fuel cells stationary power generation. The Company completed its annual impairment analysis of goodwill and in-process research and development assets as of July 31, 2018. The Company performed a qualitative assessment for fiscal year 2018 and determined that it was more likely than not that there was no impairment of goodwill or the indefinite lived intangible asset.

Goodwill and Intangible Assets

12 Months Ended

Oct. 31, 2018

Goodwill And Intangible Assets Disclosure [Abstract]

Note 7. Goodwill and Intangible Assets

As of October 31, 2018 and 2017, the Company had goodwill of $4.1 million and intangible assets of $9.6 million that was recorded in connection with the 2012 Versa acquisition. The intangible asset represents indefinite lived in-process research and development for cumulative research and development efforts associated with the development of solid oxide fuel cells stationary power generation.

The Company completed its annual impairment analysis of goodwill and in-process research and development assets as of July 31, 2018. The Company performed a qualitative assessment for fiscal year 2018 and determined that it was more likely than not that there was no impairment of goodwill or the indefinite lived intangible asset.