Statements Of Operations (USD $)	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Statements Of Operations [Abstract]
Services revenues	$ 3,468,000	$ 4,374,000
Products revenues	529,000	573,000
Total Net Sales	3,997,000	4,947,000
Cost of services	2,687,000	2,543,000
Cost of goods sold	410,000	368,000
Total Cost of Sales	3,097,000	2,911,000
Gross Profit	900,000	2,036,000
Operating Expenses:
Selling	1,646,000	1,555,000
Marketing	434,000	414,000
General and administrative	1,074,000	2,026,000
Gain from litigation settlement, net		(89,762,000)
Total Operating Expenses, net	3,154,000	(85,767,000)
Operating Income (Loss)	(2,254,000)	87,803,000
Other income	7,000	21,000
Income (Loss) Before Taxes	(2,247,000)	87,824,000
Income tax benefit (expense)	670,000	(33,951,000)
Net Income (Loss)	(1,577,000)	53,873,000
Net income (loss) per share:
Basic	$ (0.12)	$ 3.37
Diluted	$ (0.12)	$ 3.17
Shares used in calculation of net income (loss) per share:
Basic	13,611,000	15,990,000
Diluted	13,611,000	16,986,000
Cash dividends declared per common share:	$ 0.00	$ 2.00