PROPERTY AND EQUIPMENT

3 Months Ended

Mar. 31, 2020

Property Plant And Equipment [Abstract]

PROPERTY AND EQUIPMENT

4. PROPERTY AND EQUIPMENT

Depreciation and amortization expense related to property and equipment includes depreciation related to its physical assets and amortization expense related to amounts capitalized in the development of internal-use software. Depreciation and amortization expense associated with property and equipment consisted of the following (in thousands):

	Three months ended March 31,
	2020		2019
Cost of revenue	$	3,303	$	2,402
Sales and marketing		107		184
Research and development		68		2
General and administrative		561		553
Total depreciation expense	$	4,039	$	3,141