Significant Balance Sheet Components (Tables)

3 Months Ended

6 Months Ended

Mar. 31, 2019

Jun. 30, 2020

Significant Balance Sheet Components

Schedule of accounts receivable, net

	June 30, 2020		December 31, 2019
Accounts receivable - billed	$	48,176	$	57,184
Accounts receivable - unbilled		2,298		2,043
Allowance for doubtful accounts		(472)		(412)
Accounts receivable, net	$	50,002	$	58,815

Schedule of property and equipment

	June 30, 2020		December 31, 2019
Computers and appliances	$	13,589	$	13,300
Purchased software		4,235		4,235
Furniture and fixtures		1,745		1,745
Leasehold improvements		3,818		3,403
Total property and equipment		23,387		22,683
Accumulated depreciation and amortization		(19,496)		(17,879)
Total property and equipment—net	$	3,891	$	4,804

Schedule of accrued expenses

	June 30, 2020		December 31, 2019
Accrued commissions	$	4,303	$	4,810
Accrued stock-settled bonus		5,719		6,875
Employee Stock Purchase Plan liability		1,982		2,187
Other accrued payroll-related expenses		3,399		2,839
Accrued royalties		3,256		2,386
Other accrued liabilities		6,050		5,695
Total accrued expenses	$	24,709	$	24,792