Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
ASSETS
Cash and cash equivalents	$ 41,376	$ 23,789
Short-term investments	8,089	28,492
Accounts receivable, net of reserves of $133 and $140 as of June 30, 2013 and December 31, 2012, respectively	2,085	4,018
Prepaids and other	1,176	1,075
Total current assets	52,726	57,374
Property and equipment, net	287	306
Other assets	200	206
Total assets	53,213	57,886
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	565	679
Accrued expenses	2,096	2,242
Unearned revenue	2,297	2,342
Deferred maintenance	2,483	3,779
Total current liabilities	7,441	9,042
Other non-current liabilities	928	1,187
Total liabilities	8,369	10,229
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; 4,716 and 4,685 shares issued and outstanding as of June 30, 2013 and December 31, 2012, respectively	0	0
Additional paid-in capital	1,265,972	1,265,505
Accumulated other comprehensive loss	(894)	(854)
Accumulated deficit	(1,220,234)	(1,216,994)
Total stockholders' equity	44,844	47,657
Total liabilities and stockholders' equity	$ 53,213	$ 57,886