Condensed Consolidated Statements of Cash Flows (USD $)	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Cash flows from operating activities:
Net loss	$ (242,929)	$ (311,117)
Adjustments to reconcile net (loss) to net cash (used in) operating activities:
Amortization of patent costs	43,216	43,216
Loss (income) from equity in other ventures	374	222
Changes in assets and liabilities:
Increase in prepaid and other current assets	(21,418)	(17,764)
(Decrease) increase in accrued expenses and other current liabilities	(76,979)	48,043
Net cash used in operating activities	(297,736)	(237,400)
Net decrease in cash and cash equivalents	(297,736)	(237,400)
Cash and cash equivalents - beginning of period	22,676,668	23,376,400
Cash and cash equivalents - end of period	$ 22,378,932	$ 23,139,000