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Accrued Expenses (Details) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Schedule of accrued expenses |  |
Salaries, payroll taxes, vacation and benefits | $ 932 | $ 686
Accrued consulting fees and other | 382 | 249
Total accrued expenses | $ 1,314 | $ 935

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