Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
ASSETS
Cash and cash equivalents	$ 23,789	$ 45,405
Short-term investments	28,492	9,009
Accounts receivable, net of reserves of $140 and $109 as of December 31, 2012 and 2011, respectively	4,018	4,100
Restricted cash	0	1,022
Prepaids and other	1,075	1,179
Total current assets	57,374	60,715
Property and equipment, net	306	143
Other assets	206	144
Total assets	57,886	61,002
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	679	595
Accrued expenses	2,242	2,783
Unearned revenue	2,342	2,665
Deferred maintenance	3,779	4,253
Total current liabilities	9,042	10,296
Other non-current liabilities	1,187	936
Total liabilities	10,229	11,232
Commitments and contingencies (Note 6)
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; 4,685 and 4,529 shares issued and outstanding as of December 31, 2012 and 2011, respectively	0	0
Additional paid-in capital	1,265,505	1,262,726
Accumulated other comprehensive loss	(854)	(1,014)
Accumulated deficit	(1,216,994)	(1,211,942)
Total stockholders' equity	47,657	49,770
Total liabilities and stockholders' equity	$ 57,886	$ 61,002