XML 21 R25.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Supplemental Cash Flow Information (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2014
Supplemental Cash Flow Elements [Abstract] |
Components of supplemental cash flow information | Supplemental cash flow information is as follows (in thousands):
| Three months ended March 31,
| 2014 |  | 2013
Supplemental non-cash investing and financing activities: |  |  |
Value of common stock issued in acquisition of EOGA | $ | 1,750 |  |  | $ | — |
Value of common stock issued in payment of accrued liability | 600 |  |  | — |
Equipment acquired through capital leases | — |  |  | 480 |
Exercise of stock options by common stock surrender | 1,005 |  |  | 2,357 |
Supplemental cash payment information: |  |  |
Interest paid | $ | 360 |  |  | $ | 381 |
Income taxes paid | 2,039 |  |  | 3,537 |

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
- Details
Name: | us-gaap_SupplementalCashFlowElementsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration