Accounts Payable and Other Accrued Liabilities

9 Months Ended

12 Months Ended

Sep. 30, 2020

Dec. 31, 2019

Payables and Accruals [Abstract]

Accounts Payable and Other Accrued Liabilities

8. ACCOUNTS PAYABLE AND OTHER ACCRUED LIABILITIES

Accounts payable and other accrued liabilities consisted of the following as of September 30, 2020 and December 31, 2019:

	September 30, 2020		December 31, 2019
Accounts payable	$	13,360	$	15,034
Accrued expenses		10,395		10,733
Other purchase obligations		572		—
Contract liabilities		9,335		3,314
Other current liabilities		235		504
Total accounts payable and other accrued liabilities	$	33,897	$	29,585

9. ACCOUNTS PAYABLE AND OTHER ACCRUED LIABILITIES

Accounts payable and other accrued liabilities consisted of the following as of December 31, 2019 and 2018:

	2019		2018
Accounts payable	$	15,034	$	8,679
Accrued expenses		10,733		4,414
Business acquisitions contingent consideration		8,614		2,754
Other business acquisitions purchase price obligations				525
Contract liabilities		3,314		2,395
Other current liabilities		504		241
Total accounts payable and other accrued liabilities	$	38,199	$	19,008