Balance Sheet Components (Tables)

6 Months Ended

Jun. 30, 2019

Balance Sheet Components [Abstract]

Components of Property and Equipment

The following table shows the components of property and equipment as of the dates presented:

	Estimated Useful Life	June 30, 2019			December 31, 2018
Software, including internally developed software	3 years	$	26,388		$	25,518
Computer equipment	3 to 4 years		22,728			22,714
Finance lease ROU assets	Shorter of useful life or lease term		5,067			5,067
Leasehold improvements	Shorter of useful life or lease term		4,645			4,778
Office equipment, furniture and fixtures	3 to 5 years		1,988			2,140
Total property and equipment			60,816			60,217
Less:  Accumulated depreciation and amortization			(50,831	)		(48,402	)
Property and equipment, net		$	9,985		$	11,815

Components of Accrued Expenses and Other Current Liabilities

The following table shows the components of accrued expenses and other current liabilities as of the dates presented:

	June 30, 2019		December 31, 2018
Accrued salary and payroll-related expenses	$	2,552	$	3,695
Deferred strategic agreement revenues		1,872		934
Accrued liabilities		1,531		1,249
Finance lease liabilities		937		866
Income taxes payable		846		883
Advanced billings		721		859
Customer advances		347		432
Sales and use tax payable		34		244
Deferred rent		—		538
Other		879		932
Total accrued expenses and other current liabilities	$	9,719	$	10,632