Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
ASSETS
Cash and cash equivalents	$ 31,482	$ 36,865
Short-term investments	12,466	9,535
Accounts receivable, net of reserves of $152 and $216 as of June 30, 2014 and December 31, 2013, respectively	1,890	3,533
Prepaids and other	1,332	1,238
Total current assets	47,170	51,171
Property and equipment, net	201	242
Other assets	207	196
Total assets	47,578	51,609
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	532	503
Accrued expenses	2,552	2,425
Unearned revenue	2,194	2,507
Deferred maintenance	1,829	1,982
Total current liabilities	7,107	7,417
Other non-current liabilities	781	778
Total liabilities	7,888	8,195
Stockholders' Equity:
Convertible preferred stock, $0.0001 par value; 1,000 shares authorized; none issued and outstanding
Common stock, $0.0001 par value; 11,200 shares authorized; 4,809 and 4,754 shares issued and outstanding as of June 30, 2014 and December 31, 2013, respectively	0	0
Additional paid-in capital	1,267,600	1,266,686
Accumulated other comprehensive loss	(822)	(856)
Accumulated deficit	(1,227,088)	(1,222,416)
Total stockholders' equity	39,690	43,414
Total liabilities and stockholders' equity	$ 47,578	$ 51,609