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Accrued Liabilities (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Accrued Liabilities, Current [Abstract]    
Accrued operating expenses $ 237 $ 112
Accrued payroll related expenses 43 65
Accrued legal fees 181 114
Total $ 461 $ 291