Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 8,779	$ 10,625
Prepaid expenses and other current assets	138	190
Total current assets	8,917	10,815
Investments	9	66
Other assets	321	409
Total non-current assets	330	475
Total assets	9,247	11,290
Current liabilities:
Accounts payable	73	135
Accrued expenses and other current liabilities	57	59
Total current liabilities	130	194
Commitments and Contingencies
Stockholders' equity:
Common stock, $.01 par value; 100,000,000 shares authorized; 54,613,949 shares issued at December 31, 2011 and 2010; 50,611,879 shares outstanding net of 4,002,070 treasury shares at par value at December 31, 2011 and 2010	506	506
Additional paid-in capital	152,083	152,083
Accumulated deficit	(143,476)	(141,500)
Accumulated other comprehensive income	4	7
Total stockholders' equity	9,117	11,096
Total liabilities and stockholders' equity	$ 9,247	$ 11,290