Consolidated Balance Sheets (Unaudited) (USD $)	Jun. 30, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 46,444	$ 113,958
Short-term investments	140,510	196,650
Restricted marketable securities	7,400	10,350
Prepaid expenses and other current assets	25,687	3,686
Total current assets	220,041	324,644
Deferred charges	58,984	60,827
Total assets	279,025	385,471
Current liabilities:
Accounts payable and accrued expenses	1,103,472	1,055,738
Accrued interest on notes payable	4,788	5,630
Note payable, current	118,855
Deferred revenue	73,731	73,731
Other current liabilities	10,271	13,221
Advances from related party	500,000	500,000
Total current liabilities	1,811,117	1,648,320
Note payable	8,296,735	7,819,960
Deferred revenue, net of current portion	1,105,952	1,142,816
Other long-term liabilities	43,750	43,750
Total liabilities	11,257,554	10,654,846
Commitments and contingencies
Series F convertible redeemable preferred stock, $.01 par value; 200,000 shares designated; 12,000 shares issued and outstanding at June 30, 2014 and December 31, 2013, (liquidation preference of $300,000 at June 30, 2014)	400,887	390,443
Stockholders' deficit:
Common stock, $.01 par value; 80,000,000 shares authorized at June 30, 2014 and December 31, 2013; 30,635,720 issued and outstanding at June 30, 2014 and December 31, 2013	306,357	306,357
Additional paid-in capital	188,651,804	188,622,248
Accumulated other comprehensive loss	(49,490)	6,650
Deficit accumulated	(200,288,087)	(199,635,073)
Total stockholders' deficit	(11,379,416)	(10,659,818)
Total liabilities and stockholders' deficit	$ 279,025	$ 385,471