Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
ASSETS
Cash and cash equivalents	$ 36,865	$ 23,789
Short-term investments	9,535	28,492
Accounts receivable, net of reserves of $216 and $140 as of December 31, 2013 and 2012, respectively	3,533	4,018
Prepaids and other	1,238	1,075
Total current assets	51,171	57,374
Property and equipment, net	242	306
Other assets	196	206
Total assets	51,609	57,886
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	503	679
Accrued expenses	2,425	2,242
Unearned revenue	2,507	2,342
Deferred maintenance	1,982	3,779
Total current liabilities	7,417	9,042
Other non-current liabilities	778	1,187
Total liabilities	8,195	10,229
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; 4,754 and 4,685 shares issued and outstanding as of December 31, 2013 and 2012, respectively	0	0
Additional paid-in capital	1,266,686	1,265,505
Accumulated other comprehensive loss	(856)	(854)
Accumulated deficit	(1,222,416)	(1,216,994)
Total stockholders' equity	43,414	47,657
Total liabilities and stockholders' equity	$ 51,609	$ 57,886