CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
CURRENT ASSETS:
Cash and cash equivalents	$ 52,326	$ 48,803
Cash held as collateral	3,961	5,409
Accounts receivable, net of allowance for doubtful accounts of $1,605 and $1,184 as of June 30, 2016 and December 31, 2015, respectively	28,649	30,388
Prepaid expenses and other current assets	11,946	9,327
Deferred tax assets, net	0	455
Total current assets	96,882	94,382
Property and equipment, net	23,221	24,129
Intangibles, net	21,550	24,619
Goodwill	80,360	80,322
Deferred tax assets, net	1,096	785
Other assets	2,379	1,957
Total assets	225,488	226,194
CURRENT LIABILITIES:
Accounts payable	6,233	7,102
Accrued expenses and other current liabilities	29,209	34,296
Deferred revenue	29,454	13,862
Total current liabilities	64,896	55,260
Other liabilities	3,145	3,270
Deferred tax liability	3,628	2,359
Total liabilities	71,669	60,889
Commitments and contingencies
STOCKHOLDERS’ EQUITY:
Common stock	58	57
Additional paid-in capital	288,297	286,856
Treasury stock	(2)	(1)
Accumulated deficit	(129,500)	(119,071)
Accumulated other comprehensive loss	(5,034)	(2,536)
Total stockholders’ equity	153,819	165,305
Total liabilities and stockholders’ equity	$ 225,488	$ 226,194