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Schedule of Lease Amounts Paid to Related Parties (Details) (USD $) In Thousands, unless otherwise specified | 6 Months Ended
--- | ---
Jun. 30, 2013 | Jun. 30, 2012
Amount charged on Leased Premises | $ 192 | $ 119
White Plains, NY [Member] |  |
Amount charged on Leased Premises | 66 | 63
Los Angeles,CA [Member] |  |
Amount charged on Leased Premises | 12 | 13
Foster City, CA [Member] |  |
Amount charged on Leased Premises | $ 114 | $ 43

X
- Definition Amount of lease expense paid to related party during the financial reporting period. + References No definition available. + Details
Name: | crbn_LeaseExpensePaidToRelatedParty
Namespace Prefix: | crbn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration