Prepaid Expenses

9 Months Ended

Sep. 30, 2015

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Prepaid Expenses

4. Prepaid expenses

As of September 30, 2015, prepaid expenses were $1,971, consisting of $294 of prepaid insurance, $1,627 of prepaid research and development (“R&D”) clinical costs and $50 of other prepaid costs. As of December 31, 2014, prepaid expenses and other current assets were $287, consisting of $92 of prepaid insurance, $177 of prepaid R&D clinical costs and $18 of other prepaid costs.