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CONSOLIDATED STATEMENTS OF OPERATIONS (Parenthetical) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2012 | Dec. 31, 2011
Income Statement [Abstract] |  |
Depreciation and amortization - part of Direct operating costs | $ 2,158 | $ 2,369

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- Definition Depreciation of property, plant and equipment directly related to goods produced and sold during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(a)) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 + Details
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Balance Type: | debit
Period Type: | duration

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- Details
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Balance Type: | na
Period Type: | duration