Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Current assets
Cash and cash equivalents	$ 73,167	$ 66,758
Accounts receivable, net of allowance for doubtful accounts of _____ and $254 at March 31, 2015 and December 31, 2014, respectively	9,979	8,274
Prepaid expenses and other current assets	938	1,163
Total current assets	84,084	76,195
Property and equipment, net	34,517	26,103
Restricted cash	2,189	1,780
Goodwill	52,848	52,848
Intangible assets, net	8,972	12,132
Other assets	347	226
Total assets	182,957	169,284
Current liabilities
Accounts payable	2,334	1,699
Accrued expenses	9,927	9,874
Deferred revenue, short-term	39,644	31,923
Notes and leases payable, short-term	0	412
Total current liabilities	51,905	43,908
Deferred revenue, long-term	5,458	3,660
Other long-term liabilities	1,296	1,028
Total liabilities	58,659	48,596
Stockholders’ equity
Common stock, $.001 par value; 90,000 shares authorized; _______ and 26,247 shares issued and ______ and 25,588 shares outstanding at March 31, 2015 and December 31, 2014, respectively	26	26
Additional paid in capital	352,590	340,344
Treasury stock, at cost; ____ and 659 shares at March 31, 2015 and December 31, 2014, respectively	(9,983)	(9,923)
Accumulated other comprehensive loss	(534)	(340)
Accumulated deficit	(217,801)	(209,419)
Stockholders' Equity Attributable to Parent	124,298	120,688
Total liabilities, redeemable securities and stockholders’ equity	$ 182,957	$ 169,284