Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash flows from operating activities
Net loss	$ (11,909)	$ (6,749)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	5,731	7,550
Stock-based compensation	1,919	2,235
Gain on disposal of businesses and online properties	(973)	(2,908)
Other	(31)
Change in operating assets and liabilities, net of effect of acquisition:
Accounts receivable, net	1,872	2,905
Prepaid expenses and other current assets	462	(262)
Other long-term assets	(12)	(38)
Accounts payable	(53)	(2,574)
Accrued expenses and other liabilities	(3,675)	(2,435)
Deferred revenue	(231)	(139)
Net cash used in operating activities	(6,900)	(2,415)
Cash flows from investing activities
Purchases of property and equipment	(1,480)	(1,772)
Purchases of intangible assets	(4)	(19)
Cash received from disposal of businesses and online properties, net of cash disposed	650	3,831
Other	167	155
Net cash provided by (used in) investing activities	(667)	2,195
Cash flows from financing activities
Proceeds from exercises of stock options and purchases under ESPP	1	126
Net taxes paid on restricted stock units and options exercised	(492)	(289)
Other		(120)
Net cash used in financing activities	(491)	(283)
Effect of foreign currency on cash and cash equivalents	1	6
Change in cash and cash equivalents	(8,057)	(497)
Cash and cash equivalents, beginning of period	38,570	47,820
Cash and cash equivalents, end of period	$ 30,513	$ 47,323