Other Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2018

Other Liabilities Disclosure [Abstract]

Other Accrued Liabilities

	As of December 31,
	2018		2017
Accrued expenses	$	338	$	462
Self-insurance accruals		585		679
Other accrued liabilities		55		189
Total other accrued liabilities	$	978	$	1,330