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Accrued Liabilities and Other (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Payables and Accruals [Abstract]
Accrued vacation	$ 799us-gaap_AccruedVacationCurrent	$ 673us-gaap_AccruedVacationCurrent
Accrued paid personal leave	613trc_AccruedPaidPersonalLeaveCurrent	619trc_AccruedPaidPersonalLeaveCurrent
Accrued bonus	1,023us-gaap_AccruedBonusesCurrent	677us-gaap_AccruedBonusesCurrent
Other	339	678
Total	$ 2,774us-gaap_OtherAccruedLiabilitiesCurrent	$ 2,647us-gaap_OtherAccruedLiabilitiesCurrent

Carrying value as of the balance sheet date of obligations incurred and payable for incentive compensation awarded to employees and directors or earned by them based on the terms of one or more relevant arrangements. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References+ Details

- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable arising from transactions not otherwise specified in the taxonomy. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References+ Details