Goodwill and Intangible Assets	6 Months Ended
Apr. 30, 2020
Goodwill And Intangible Assets Disclosure [Abstract]
Goodwill and Intangible Assets	Note 7. Goodwill and Intangible Assets As of April 30, 2020 and October 31, 2019, the Company had goodwill of $4.1 million that was recorded in connection with the 2012 acquisition of Versa Power Systems, Inc. (“Versa”) and intangible assets of $20.6 million and $21.3 million, respectively, that were recorded in connection with the 2012 Versa acquisition and the 2019 Bridgeport Fuel Cell Project acquisition. The Versa intangible asset consists of indefinite-lived in-process research and development intangible assets (“IPR&D”) for cumulative research and development efforts associated with the development of solid oxide fuel cell stationary power generation. The Company recorded $12.3 million as an intangible asset during fiscal year 2019 in connection with the Bridgeport Fuel Cell Project acquisition in May 2019 related to an acquired PPA that had favorable terms. The balance for the PPA intangible asset was $11.0 million and $11.7 million as of April 30, 2020 and October 31, 2019, respectively. Amortization expense for the Bridgeport Fuel Cell Project related intangible asset for the three and six months ended April 30, 2020 was $0.3 million and $0.7 million, respectively.

Goodwill and Intangible Assets

6 Months Ended

Apr. 30, 2020

Goodwill And Intangible Assets Disclosure [Abstract]

Note 7. Goodwill and Intangible Assets

As of April 30, 2020 and October 31, 2019, the Company had goodwill of $4.1 million that was recorded in connection with the 2012 acquisition of Versa Power Systems, Inc. (“Versa”) and intangible assets of $20.6 million and $21.3 million, respectively, that were recorded in connection with the 2012 Versa acquisition and the 2019 Bridgeport Fuel Cell Project acquisition. The Versa intangible asset consists of indefinite-lived in-process research and development intangible assets (“IPR&D”) for cumulative research and development efforts associated with the development of solid oxide fuel cell stationary power generation. The Company recorded $12.3 million as an intangible asset during fiscal year 2019 in connection with the Bridgeport Fuel Cell Project acquisition in May 2019 related to an acquired PPA that had favorable terms. The balance for the PPA intangible asset was $11.0 million and $11.7 million as of April 30, 2020 and October 31, 2019, respectively. Amortization expense for the Bridgeport Fuel Cell Project related intangible asset for the three and six months ended April 30, 2020 was $0.3 million and $0.7 million, respectively.