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Balance Sheets (USD $)
Mar. 31, 2012
Dec. 31, 2011
Current assets:    
Cash and cash equivalents $ 611,867 $ 422,984
Investments in available-for-sale securities 2,306,651 2,491,773
Other current assets 13,150 21,868
Total current assets 2,931,668 2,936,625
Other assets:    
Cost-basis investment 1,000,000 1,000,000
Total Assets 3,931,668 3,936,625
Current liabilities:    
Accounts payable 46,775 5,451
Accrued stock compensation 15,625 15,625
Conversion feature liability 85,196 81,101
Total current liabilities 147,597 102,177
Commitments and contingencies      
Stockholders' equity:    
Common stock, $0.01 par value, 100,000,000 shares authorized; 8,093,885 and 8,028,779 shares issued and outstanding at March 31, 2012 and December 31, 2011, respectively 80,938 80,287
Additional paid-in capital 64,307,524 64,292,551
Accumulated deficit (60,749,002) (60,681,860)
Accumulated other comprehensive loss (23,885) (25,026)
Total stockholders' equity 3,615,575 3,665,952
Total liabilities and stockholders' equity 3,931,668 3,936,625
Redeemable Convertible Preferred Stock
    
Current liabilities:    
Redeemable convertible preferred stock, $0.01 par value, 1,000,000 shares authorized; 168 shares issued and outstanding ($168,496 aggregate liquidation value) $ 168,496 $ 168,496