XML 81 R56.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Supplemental cash flow information (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2016
Supplemental Cash Flow Elements [Abstract] |
Supplemental Cash Flow Information | The table below provides supplemental cash flow information:
|  | Year ended December 31, |
|  | 2016 |  |  | 2015 |  |  | 2014 |
Cash paid: |  |  |  |  |  |  |  |  |  |  |  |
Income taxes |  | $ | 339,411 |  |  | $ | 156,075 |  |  | $ | 238,615 |
Interest |  |  | 406,987 |  |  |  | 405,120 |  |  |  | 351,967 |
Non-cash investing and financing activities: |  |  |  |  |  |  |  |  |  |  |  |
Fixed assets under capital lease obligations |  |  | 28,127 |  |  |  | 74,035 |  |  |  | 72,389 |

X
- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_SupplementalCashFlowElementsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration