Accrued Liabilities

12 Months Ended

Dec. 31, 2019

Accrued Liabilities

Accrued Liabilities

6. Accrued Liabilities

Accrued liabilities consist of the following:                                                                                                  

	December 31,
	2019		2018
Employee bonuses	$	1,437	$	621
Accrued retention bonus		—		638
Accrued professional fees and other		367		84
Total accrued liabilities	$	1,804	$	1,343