Accrued and Other Current Liabilities Accrued and other current liabilities consisted of the following (in thousands): | | | | | | | | | | December 31, 2014 | | December 31, 2013 | Payroll and related taxes | $ | 6,069 |
| | $ | 12,004 |
| Deferred maintenance on aircraft(1) | — |
| | 9,694 |
| Interest | 5,542 |
| | 5,142 |
| Accrued commissions | 1,301 |
| | 1,074 |
| Deferred revenue | 795 |
| | 1,210 |
| Deferred gain on sale-leaseback | 1,760 |
| | — |
| Other | 3,567 |
| | 12,109 |
|
| $ | 19,034 |
| | $ | 41,233 |
|
| | (1) | In connection with the acquisition of EHI, the Company pre-negotiated accelerated timelines and return-to-service obligations with the lessors of certain EHI leased aircraft in exchange for obtaining consent for the transfer of the leases to the Company. The liability was estimated based on historical maintenance costs incurred for the same or like components. |
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