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Accounts payable, accrued expenses and other liabilities (Tables) | 12 Months Ended
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Dec. 31, 2017
Payables and Accruals [Abstract] |
Schedule of accounts payable, accrued expenses and other liabilities | Accounts payable, accrued expenses and other liabilities consisted of the following as of December 31, 2017 and 2016:
| As of December 31,
| 2017 |  | 2016
Accounts payable and accrued expenses | $ | 307,391 |  |  | $ | 330,437 |
Deferred revenue | 452,846 |  |  | 463,090 |
Accrued interest | 254,865 |  |  | 287,205 |
Guarantees (Note 29) | 2,272 |  |  | 51,804 |
| $ | 1,017,374 |  |  | $ | 1,132,536 |

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- Definition Tabular disclosure of the (a) carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business (accounts payable); (b) other payables; and (c) accrued liabilities. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). An alternative caption includes accrued expenses. + References No definition available. + Details
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