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Accrued Liabilities

3 Months Ended

12 Months Ended

Mar. 31, 2020

Dec. 31, 2019

Payables and Accruals [Abstract]

Accrued Liabilities

5. Accrued Liabilities

Accrued liabilities consist of the following:

		March 31, 2020				December 31, 2019
		(In thousands)
Accrued payroll and related expenses		$	526			$	1,643
Accrued restructuring costs (See Note 13)			96				516
Accrued research and development expenses			627				3,171
Other			106				153
Total accrued liabilities		$	1,355			$	5,483

5. Accrued Liabilities

Accrued liabilities consist of the following:

		As of December 31,
		2019				2018
		(In thousands)
Accrued payroll and related expenses		$	1,643			$	1,189
Accrued restructuring cost (see Note 15)			516				—
Accrued research and development expenses			3,171				1,028
Other			153				510
Total accrued liabilities		$	5,483			$	2,727

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- Definition

The entire disclosure for accounts payable, accrued expenses, and other liabilities that are classified as current at the end of the reporting period.

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