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Accrued Expenses (Details) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2013 | Dec. 31, 2012
--- | --- | ---
Schedule of accrued expenses |  |
Salaries, payroll taxes, vacation and benefits | $ 706 | $ 621
Accrued consulting fees and other | 272 | 183
Total accrued expenses | $ 978 | $ 804

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