Statements Of Operations (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Statements Of Operations [Abstract]
Services revenues	$ 2,563,000	$ 7,858,000	$ 11,383,000	$ 20,557,000
Products revenues	497,000	659,000	1,650,000	2,169,000
Total Net Sales	3,060,000	8,517,000	13,033,000	22,726,000
Cost of services	2,532,000	3,600,000	7,780,000	9,518,000
Cost of goods sold	358,000	442,000	1,109,000	1,458,000
Total Cost of Sales	2,890,000	4,042,000	8,889,000	10,976,000
Gross Profit	170,000	4,475,000	4,144,000	11,750,000
Operating Expenses:
Selling	1,332,000	1,968,000	4,295,000	5,379,000
Marketing	426,000	429,000	1,273,000	1,235,000
General and administrative	1,242,000	1,146,000	4,505,000	4,001,000
Gain from litigation settlement, net			(89,762,000)
Total Operating Expenses, net	3,000,000	3,543,000	(79,689,000)	10,615,000
Operating Income (Loss)	(2,830,000)	932,000	83,833,000	1,135,000
Other Income (Expense):
Interest income	13,000	6,000	55,000	32,000
Interest expense		(6,000)		(16,000)
Total Other Income	13,000		55,000	16,000
Income (Loss) Before Taxes	(2,817,000)	932,000	83,888,000	1,151,000
Income tax benefit (expense)	1,096,000		(32,411,000)
Net Income (Loss)	$ (1,721,000)	$ 932,000	$ 51,477,000	$ 1,151,000
Net income (loss) per share:
Basic	$ (0.11)	$ 0.06	$ 3.31	$ 0.07
Diluted	$ (0.11)	$ 0.05	$ 3.23	$ 0.07
Shares used in calculation of net income (loss) per share:
Basic	15,121,000	15,642,000	15,551,000	15,503,000
Diluted	15,121,000	16,977,000	15,951,000	16,869,000
Cash dividends declared per common share:	$ 0.00	$ 0.00	$ 2.00	$ 0.00