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Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2017 | Mar. 31, 2016
Supplemental non-cash investing and financing activities: |  |
Common stock issued in payment of accrued liability | $ 188 | $ 0
Exercise of stock options by common stock surrender | 7 | 0
Supplemental cash payment information: |  |
Interest paid | 553 | 382
Income taxes paid, net of refunds | $ 114 | $ 2,264

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- Definition The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586 + Details
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