Contract Liabilities	12 Months Ended
Dec. 31, 2024
Contract Liabilities
Contract Liabilities	15. Contract Liabilities As of December 31, 2024 and 2023, our contract liabilities were $10.0 million and $7.0 million, respectively. These liabilities are included in deferred revenue and other liabilities in our consolidated balance sheets. During the years ended December 31, 2024 and 2023, we deferred revenue of $18.1 million and $15.4 million, respectively, and recognized revenue of $15.0 million and $16.5 million, respectively. The revenue recognized and deferred during the periods is primarily related to freight billings for contract operations and milestone billings for aftermarket services.

Contract Liabilities

12 Months Ended

Dec. 31, 2024

15. Contract Liabilities

As of December 31, 2024 and 2023, our contract liabilities were $10.0 million and $7.0 million, respectively. These liabilities are included in deferred revenue and other liabilities in our consolidated balance sheets.

During the years ended December 31, 2024 and 2023, we deferred revenue of $18.1 million and $15.4 million, respectively, and recognized revenue of $15.0 million and $16.5 million, respectively. The revenue recognized and deferred during the periods is primarily related to freight billings for contract operations and milestone billings for aftermarket services.