Property and Equipment

6 Months Ended

Jun. 30, 2020

Property and Equipment

Property and Equipment

4. Property and Equipment

Property and equipment consisted of the following (in thousands):

	June 30,		December 31,
	2020		2019
Computers and other related equipment	$	11,727	$	11,333
Purchased and internally developed software		37,255		34,008
Furniture and fixtures		1,514		1,514
Leasehold improvements		6,795		6,795
Machinery and related equipment		569		569
		57,860		54,219
Less accumulated depreciation		(43,991)		(40,422)
Property and equipment, net	$	13,869	$	13,797

Depreciation and software amortization expense, which includes no losses on disposal of property and equipment for the three and six months ended June 30, 2020 and less than $0.1 million for each of the three and six months ended June 30, 2019, is shown by classification below (in thousands):

	Three months ended June 30,				Six months ended June 30,
	2020		2019		2020		2019
Product costs	$	537	$	393	$	1,059	$	761
Service costs		1,102		944		2,149		1,880
Sales and marketing		10		6		19		13
Product development		14		12		27		23
General and administrative		172		412		335		889
Total depreciation	$	1,835	$	1,767	$	3,589	$	3,566