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Condensed Statements Of Operations (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Condensed Statements Of Operations [Abstract]
Royalty Revenue	$ 1,222,000	$ 32,560,000	$ 6,611,000	$ 32,850,000
Cost of Revenue	341,000	9,507,000	1,883,000	9,522,000
Gross Profit	881,000	23,053,000	4,728,000	23,328,000
Operating Expenses:
General and Administrative	411,000	1,176,000	1,693,000	2,949,000
Additional Patent Expense			1,000,000
Non-Cash compensation	59,000	43,000	268,000	359,000
Total Operating Expenses	470,000	1,219,000	2,961,000	3,308,000
Operating Income (Loss)	411,000	21,834,000	1,767,000	20,020,000
Other Income (Expenses):
Interest income, net	10,000	19,000	42,000	19,000
Income (Loss) before income taxes	421,000	21,853,000	1,809,000	20,039,000
Income Taxes (Benefit)
Current	33,000	48,000	89,000	48,000
Deferred	140,000		(6,860,000)
Total Income Taxes (Benefit)	173,000	48,000	(6,771,000)	48,000
Net Income (Loss)	$ 248,000	$ 21,805,000	$ 8,580,000	$ 19,991,000
Net Income (loss) per share - Basic	$ 0.01	$ 0.89	$ 0.33	$ 0.82
Net Income (loss) per share - Diluted	$ 0.01	$ 0.76	$ 0.28	$ 0.70
Weighted average number of common shares outstanding:
Basic	26,014,578	24,409,660	25,979,596	24,266,390
Diluted	30,991,041	28,848,659	30,956,059	28,705,389

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