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Prepaid Expenses and Other Current Assets

12 Months Ended

Dec. 31, 2019

Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]

Prepaid Expenses and Other Current Assets

4. Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consisted of the following (in thousands):

		December 31,
		2019				2018
Prepaid research and development services		$	3,043			$	245
Prepaid insurance			252				200
Other prepaid expenses			19				20
NOL sale receivable (see Note 10)			—				6,732
Other current assets			674				54
Total prepaid expenses and other current assets		$	3,988			$	7,251

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The entire disclosure for other current assets.

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