Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Current assets:
Cash	$ 413	$ 976
Restricted cash	692	1,011
Prepaid expenses and other current assets	208	589
Total current assets	1,313	2,576
Property and equipment, net		2,429
Intangible assets	6,700	6,700
Other assets		45
Total assets	8,013	11,750
Current liabilities:
Accounts payable	1,760	2,536
Accrued payroll and employee benefits	249	376
Deferred rent, current portion	1,096
Other accrued liabilities	553	879
Notes payable and accrued interest, net of discount	1,201
Deferred revenue	682	848
Total current liabilities	5,541	4,639
Deferred rent and other liabilities, net of current portion		1,243
Fair value liability for price adjustable warrants and subscription investment units	2,477	3,485
Deferred tax liabilities	2,345	2,345
Total liabilities	10,363	11,712
Commitments and contingencies
Stockholders' equity:
Preferred stock, $.01 par value; 100,000 shares authorized: no shares issued and outstanding
Common stock and additional paid-in capital, $0.006 par value; 180,000,000 shares authorized, 10,438,912 shares issued and outstanding as of December 31, 2011 and 180,000,000 shares authorized, 16,166,756 shares issued and outstanding as of September 30, 2012	323,338	320,232
Accumulated deficit	(325,688)	(320,194)
Total stockholders' equity (deficit)	(2,350)	38
Total liabilities and stockholders' equity	$ 8,013	$ 11,750