Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 7,981	$ 8,779
Prepaid expenses and other current assets	76	138
Total current assets	8,057	8,917
Investments	8	9
Other assets	309	321
Total non-current assets	317	330
Total assets	8,374	9,247
Current liabilities:
Accounts payable	49	73
Accrued expenses and other current liabilities	49	57
Total current liabilities	98	130
Stockholders' equity:
Common stock, $.01 par value; 100,000,000 shares authorized;50,611,879 shares issued and outstanding net of 4,002,070 treasury shares at par value at June 30, 2012 and December 31, 2011	506	506
Additional paid-in capital	152,083	152,083
Accumulated deficit	(144,318)	(143,476)
Accumulated other comprehensive income	5	4
Total stockholders' equity	8,276	9,117
Total liabilities and stockholders' equity	$ 8,374	$ 9,247