Consolidated Balance Sheet Components (Tables)

12 Months Ended

Dec. 31, 2015

The allowance for doubtful accounts is comprised of the following activity (in thousands):

	Years Ended December 31,
	2015			2014			2013
Allowance for doubtful accounts and sales returns reserve, beginning balance	$	215		$	410		$	412

Allowance for doubtful accounts, beginning balance	$	215		$	410		$	412
Charged to costs and expenses		1,044			418			46
Deductions (write-offs)		(144	)		(613	)		(48	)
Allowance for doubtful accounts, ending balance		1,115			215			410
Sales returns reserve, beginning balance
Charged to revenue		677			-			-
Deductions (write-offs)		(354	)		-			-
Sales returns reserve, ending balance		323			-			-
Total allowance for doubtful accounts and sales returns reserve, ending balance	$	1,438		$	215		$	410

Prepaid expenses and other current assets consist of the following (in thousands):

	As of December 31,
	2015		2014
Prepaid expenses	$	5,111	$	3,263
Prepaid income taxes		585		45
Interest receivable		467		230
Other		1,802		389
Total prepaid expenses and other current assets	$	7,965	$	3,927

Property and equipment, net consist of the following (in thousands):

	As of December 31,
	2015			2014
Computers and related equipment	$	15,953		$	11,591
Office furniture and equipment		1,632			1,510
Leasehold improvements		7,791			3,751
Total property and equipment		25,376			16,852
Less: accumulated depreciation and amortization		(13,212	)		(9,234	)
Total property and equipment, net	$	12,164		$	7,618

Accrued compensation and benefits consist of the following (in thousands):

	As of December 31,
	2015		2014
Salary and related benefits	$	7,215	$	5,291
Accrued vacation		3,774		3,849
Accrued incentive payments		9,270		6,609
Total accrued compensation and benefits	$	20,259	$	15,749

Accrued and other current liabilities consist of the following (in thousands):

	As of December 31,
	2015		2014
Accrued expenses	$	4,633	$	3,352
Derivative liability		595		1,002
Income tax payable		323		317
Short-term deferred rent		283		297
Short-term stock repurchase liability		—		767
Skyfence holdback liability		7,556		-
Other		893		641
Total accrued and other current liabilities	$	14,283	$	6,376

Other long-term liabilities consist of the following (in thousands):

	As of December 31,
	2015		2014
Skyfence holdback liability	$	—	$	7,343
Long-term deferred rent		1,926		841
Deferred tax liability		1,145		1,503
Other		1,444		721
Total other liabilities	$	4,515	$	10,408