Commitments, Contingencies, Guarantees and Indemnities	12 Months Ended
Dec. 31, 2014
Commitments, Contingencies, Guarantees and Indemnities
Commitments, Contingencies, Guarantees and Indemnities	(12) Commitments, Contingencies, Guarantees and Indemnities Our principal offices are located in Novato, California. We occupy space in Novato under a lease that covers approximately 20,534 square feet of office space and expires September 30, 2018. The remaining lease rental commitment is approximately $2.0 million. Equipment leasing, financing, sales and general administrative activities are conducted from the Novato location. We sub-lease office and warehouse space for our operations in San Diego, California. This lease expires October 31, 2015, and the remaining lease commitment is approximately $0.1 million. We lease office and warehouse space in Shanghai, China. The office lease expires December 31, 2015 and the warehouse lease expires July 31, 2017 and the remaining lease commitments are approximately $65,000 and $18,000, respectively. We lease office space in London, United Kingdom. The lease expires December 21, 2015 and the remaining lease commitment is approximately $73,000. We lease office space in Blagnac, France. The lease expires December 31, 2015 and the remaining lease commitment is approximately $18,000. We lease office space in Dublin, Ireland. The lease expires May 15, 2017 and the remaining lease commitment is approximately $28,000. We lease office space in Singapore. The lease expires October 31, 2015 and the remaining lease commitment is approximately $103,000. We lease office and warehouse space in Boynton Beach, Florida. The lease expires October 29, 2019 and the remaining lease commitment is approximately $1.4 million. We have made a purchase commitment to secure the purchase of an engine and related equipment for a gross purchase price of $9.5 million, for delivery in 2015.

(12) Commitments, Contingencies, Guarantees and Indemnities

Our principal offices are located in Novato, California. We occupy space in Novato under a lease that covers approximately 20,534 square feet of office space and expires September 30, 2018. The remaining lease rental commitment is approximately $2.0 million. Equipment leasing, financing, sales and general administrative activities are conducted from the Novato location. We sub-lease office and warehouse space for our operations in San Diego, California. This lease expires October 31, 2015, and the remaining lease commitment is approximately $0.1 million. We lease office and warehouse space in Shanghai, China. The office lease expires December 31, 2015 and the warehouse lease expires July 31, 2017 and the remaining lease commitments are approximately $65,000 and $18,000, respectively. We lease office space in London, United Kingdom. The lease expires December 21, 2015 and the remaining lease commitment is approximately $73,000. We lease office space in Blagnac, France. The lease expires December 31, 2015 and the remaining lease commitment is approximately $18,000. We lease office space in Dublin, Ireland. The lease expires May 15, 2017 and the remaining lease commitment is approximately $28,000. We lease office space in Singapore. The lease expires October 31, 2015 and the remaining lease commitment is approximately $103,000. We lease office and warehouse space in Boynton Beach, Florida. The lease expires October 29, 2019 and the remaining lease commitment is approximately $1.4 million.

We have made a purchase commitment to secure the purchase of an engine and related equipment for a gross purchase price of $9.5 million, for delivery in 2015.