| Accounts receivable, net |
|
|
|
|
|
|
|
|
|
|
December 31, 2016 |
|
|
December 31, 2015 |
Accounts receivable |
|
$ |
85,266 |
|
|
$ |
83,091 |
Less: provision for doubtful receivables |
|
|
(19,437 |
) |
|
|
(18,278 |
Accounts receivable, net |
|
$ |
65,829 |
|
|
$ |
64,813 |
|
| Allowance for doubtfull receivables |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Allowance for doubtful receivables |
|
Balance at Beginning of Period |
|
|
Charges to Costs and Expenses |
|
|
Amount Utilized |
|
|
Balance at End of Period |
|
Year ended December 31, 2014 |
|
$ |
(26,457 |
) |
|
$ |
(792 |
) |
|
$ |
8,785 |
|
|
$ |
(18,464 |
) |
Year ended December 31, 2015 |
|
$ |
(18,464 |
) |
|
$ |
(59 |
) |
|
$ |
245 |
|
|
$ |
(18,278 |
) |
Year ended December 31, 2016 |
|
$ |
(18,278 |
) |
|
$ |
(1,304 |
) |
|
$ |
145 |
|
|
$ |
(19,437 |
) |
|