CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014	[1]
Current assets
Cash and cash equivalents	$ 33,332	$ 68,253
Accounts receivable, net	22,690	18,726
Prepaid expenses and other current assets	6,530	4,751
Total current assets	62,552	91,730
Property and equipment, net	22,867	16,274
Goodwill	19,432	11,527
Intangible assets, net	11,231	7,399
Other noncurrent assets	893	1,287
Total assets	116,975	128,217
Current liabilities
Accounts payable	2,938	3,737
Accrued expenses and other current liabilities	13,022	12,053
Deferred revenues	1,361	2,052
Current portion of long-term debt	1,826	2,587
Total current liabilities	19,147	20,429
Long-term debt, less current portion	1,346	621
Other long-term liabilities	4,185	1,050
Total liabilities	$ 24,678	$ 22,100
Commitments and contingencies (Note 13)
Stockholders’ equity
Common stock, $0.001 par value - 500,000 shares authorized, 37,286 and 35,846 shares issued, 37,022 and 35,181 outstanding at September 30, 2015, and December 31, 2014, respectively	$ 37	$ 35
Additional paid-in capital	271,236	253,221
Accumulated deficit	(177,603)	(146,392)
Accumulated other comprehensive loss	(1,373)	(747)
Total stockholders’ equity	92,297	106,117
Total liabilities and stockholders’ equity	$ 116,975	$ 128,217

[1] Derived from our audited consolidated financial statements as of December 31, 2014.