CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014	[1]
Current assets:
Cash and cash equivalents	$ 27,581	$ 23,354
Short-term investments	44,173	50,439
Accounts receivable, net	13,154	14,627
Prepaid expenses and other current assets	1,217	1,403
Total current assets	86,125	89,823
Property and equipment, net	434	417
Goodwill	0	14,240
Intangible assets, net	1,828	2,363
Other assets	1,058	1,144
Total assets	89,445	107,987
Current liabilities:
Accounts payable	935	1,625
Accrued compensation	2,692	2,792
Other accrued liabilities	3,557	3,029
Short-term deferred revenue	2,277	2,619
Total current liabilities	9,461	10,065
Long-term deferred revenue	59	72
Other long-term liabilities	758	2,129
Total liabilities	$ 10,278	$ 12,266
Commitments and contingencies (Note 4)
Stockholders' equity:
Common stock; par value $0.0001, 150,000,000 shares authorized; 55,819,341 issued and 54,570,281 outstanding at June 30, 2015; 55,475,001 issued and 54,264,483 outstanding at December 31, 2014	$ 5	$ 5
Additional paid-in capital	263,834	262,253
Treasury stock; 1,249,060 shares at June 30, 2015 and 1,192,598 shares at December 31, 2014	(5,117)	(5,036)
Accumulated other comprehensive loss	(2,042)	(2,028)
Accumulated deficit	(177,513)	(159,473)
Total stockholders' equity	79,167	95,721
Total liabilities and stockholders' equity	$ 89,445	$ 107,987

[1] Derived from the December 31, 2014 audited Consolidated Financial Statements included in our Annual Report on Form 10-K, as filed with the Securities and Exchange Commission ("SEC") on March 6, 2015.