Selected Balance Sheet Accounts (Tables)

6 Months Ended

Jun. 30, 2019

Balance Sheet Related Disclosures [Abstract]

Property and equipment

	June 30, 2019			December 31, 2018
Computer software and hardware	$	12,440		$	11,393
Capitalized internal use software		6,228			6,228
Furniture and equipment		1,743			1,743
Leasehold improvements		1,613			1,613
		22,024			20,977
Less—Accumulated depreciation and amortization		(18,619	)		(17,796	)
Property and Equipment, net	$	3,405		$	3,181

Intangible assets amortized over the estimated useful lives

		June 30, 2019							December 31, 2018
Definite-lived Intangible Asset	Estimated Useful Life	Gross		Accumulated Amortization			Net		Gross		Accumulated Amortization			Net
Trademarks/ trade names/ licenses/ domains	3 - 7 years	$	16,589	$	(15,182	)	$	1,407	$	16,589	$	(14,914	)	$	1,675
Customer relationships	2 - 5 years		19,563		(17,417	)		2,146		19,563		(15,544	)		4,019
Developed technology	5 - 7 years		8,955		(5,417	)		3,538		8,955		(4,873	)		4,082
		$	45,107	$	(38,016	)	$	7,091	$	45,107	$	(35,331	)	$	9,776

		June 30, 2019						December 31, 2018
Definite-lived Intangible Asset	Estimated Useful Life	Gross		Accumulated Amortization		Net		Gross		Accumulated Amortization		Net
Domain	Indefinite	$	2,200	$	—	$	2,200	$	2,200	$	—	$	2,200

Future amortization expense

Year	Amortization Expense
2019	$	2,187
2020		2,371
2021		1,499
2022		902
2023		86
Thereafter		46
	$	7,091

Accrued expenses and other current liabilities

	June 30, 2019		December 31, 2018
Accrued employee-related benefits	$	2,391	$	3,125
Other accrued expenses and other current liabilities:
Other accrued expenses		1,062		1,346
Amounts due to customers		596		424
Other current liabilities		406		434
Total other accrued expenses and other current liabilities		2,064		2,204
Total accrued expenses and other current liabilities	$	4,455	$	5,329