Description of Operations and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2016

Description Of Operations And Summary Of Significant Accounting Policies [Abstract]

Summary of Reconciliation of Cash, Cash Equivalents and Restricted Cash

The following table provides a reconciliation of cash, cash equivalents and restricted cash reported within the consolidated balance sheets that sum to the total of the same such amounts as shown in the consolidated statement of cash flows (in thousands):

	December 31,
	2016		2015
Cash and cash equivalents	$	42,007	$	17,256
Restricted cash		—		2,500
Total cash, cash equivalents and restricted cash shown in the consolidated statements of cash flows	$	42,007	$	19,756

Summary of Activity within Allowance for Doubtful Accounts

Activity withinthe allowancefordoubtful accounts was as follows (in thousands):

	December 31,
	2016			2015			2014
Balance at beginning of period	$	289		$	450		$	288
Charges, net of reversals		(93	)		(3	)		176
Write-offs		(74	)		(158	)		(14	)
Balance at end of period	$	122		$	289		$	450

Property and Equipment Estimated Useful Lives

Propertyand equipment are recorded atcostand depreciatedover their estimated useful lives usingthe straight-line method and the followingestimated useful lives:

Computer and office equipment	2-3 years
Software	1-3 years
Furniture	3 years