Prepaid Expenses and Other Current Assets

3 Months Ended

Mar. 31, 2020

Text Block [Abstract]

Prepaid Expenses and Other Current Assets

4. Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consisted of the following:

	March 31, 2020		December 31, 2019
Tax incentive refund	$	2,034	$	1,916
Prepaid research and development costs		4,006		4,915
Prepaid insurance		410		897
Interest income receivable		149		224
Prepaid rent		87		86
Other current assets		966		620
	$	7,652	$	8,658