CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 307	$ 1,879
Accounts receivable, net of allowance of $3 and $9 at December 31, 2011 and 2010	298	103
Prepaid expenses and other current assets	29	44
Total current assets	634	2,026
Property and equipment, net	32	26
Patents, net	2,020	2,392
Capitalized software development costs, net	78	452
Other assets	29	29
Total assets	2,793	4,925
Current liabilities:
Short-term notes payable (Note 7)	1,083	0
Accounts payable	261	450
Accrued compensation	221	446
Other accrued liabilities	243	159
Deferred revenue	517	456
Total current liabilities	2,325	1,511
Deferred revenue long-term	397	650
Deferred rent	147	183
Derivative liability	281	499
Total liabilities	3,150	2,843
Commitments and Contingencies (Note 10)
Stockholders' Equity
Common Stock - $0.01 par value; 1,050,000 shares authorized; 198,188 and 191,489 shares issued and outstanding at December 31, 2011 and 2010, respectively	1,981	1,915
Additional paid in capital	97,715	98,347
Accumulated deficit	(111,839)	(107,337)
Accumulated other comprehensive loss	(43)	(38)
Stockholders' equity	(357)	2,082
Total liabilities and shareholders' equity	2,793	4,925
Series A-1 Preferred Stock [Member]
Stockholders' Equity
Preferred stock by class of stock	880	813
Stockholders' equity	880	813
Series B Preferred Stock [Member]
Stockholders' Equity
Preferred stock by class of stock	7,380	6,350
Stockholders' equity	7,380	6,350
Series C Preferred Stock [Member]
Stockholders' Equity
Preferred stock by class of stock	3,569	2,032
Stockholders' equity	$ 3,569	$ 2,032