Prepaid Expenses and Other Current Assets

12 Months Ended

Dec. 31, 2019

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Prepaid Expenses and Other Current Assets

4. Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consisted of the following:

	As of December 31,
	2019		2018
Prepaid insurance	$	202	$	243
Prepaid clinical trials		322		419
Prepaid other		221		27
Deferred operating costs		32		28
Total prepaid expenses and other current assets	$	777	$	717