Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 6,160	$ 8,560
Short-term investments		1,000
Accounts receivable, net of reserves of $280 and $293 as of June 30, 2018 and December 31, 2017, respectively	579	1,193
Prepaids and other	1,039	983
Total current assets	7,778	11,736
Property and equipment, net	25	35
Other assets	216	208
Total assets	8,019	11,979
Current liabilities:
Accounts payable	423	434
Accrued expenses	1,252	1,658
Deferred revenue	1,220
Total current liabilities	2,895	4,087
Other non-current liabilities	547	583
Total liabilities	3,442	4,670
Commitments and contingencies (Note 5)
Stockholders’ equity:
Convertible preferred stock, $0.0001 par value; 1,000 shares authorized; none issued and outstanding
Additional paid-in capital	1,271,825	1,271,585
Accumulated other comprehensive loss	(1,481)	(1,558)
Accumulated deficit	(1,265,767)	(1,262,718)
Total stockholders' equity	4,577	7,309
Total liabilities and stockholders' equity	8,019	11,979
Software Licenses [Member]
Current liabilities:
Deferred revenue	676	1,187
Maintenance [Member]
Current liabilities:
Deferred revenue	$ 544	$ 808