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Patent Participation Fee (Details Textual) | 3 Months Ended
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Dec. 31, 2003
Asset Acquisition, Contingent Consideration | Consideration provided was $100 plus a 35% residual payable to the third party relating to the net proceeds from future licensing and/or enforcement actions from the CRBCI VoIP Patent Portfolio.

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- Definition Description of the calculation of the amount of contingent consideration that will be paid following receipt of proceeds. + References No definition available. + Details
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Namespace Prefix: | crbn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration