Balance Sheets (USD $)	Jun. 30, 2013	Dec. 31, 2012
Assets
Cash and cash equivalents	$ 109,310	$ 113,991
Investments in available-for-sale securities	2,596,072	2,658,190
Other current assets	18,978	36,331
Total current assets	2,724,360	2,808,512
Total Assets	2,724,360	2,808,512
Liabilities and stockholders' equity
Accounts payable	18,000	0
Accrued stock compensation	0	15,625
Income taxes payable	0	682
Conversion feature liability	71,639	108,839
Total current liabilities	89,639	125,146
Commitments and contingencies
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
Stockholders' equity:
Common stock, $0.01 par value, 100,000,000 shares authorized; 8,483,005 and 8,318,073 shares issued and outstanding at June 30, 2013 and December 31, 2012, respectively	84,830	83,180
Common stock to be issued	12,500	0
Additional paid-in capital	64,381,758	64,352,158
Accumulated deficit	(61,983,972)	(61,917,302)
Accumulated other comprehensive loss	(28,891)	(3,166)
Total stockholders' equity	2,466,225	2,514,870
Total liabilities and stockholders' equity	$ 2,724,360	$ 2,808,512