Condensed Consolidated Statements Of Operations (USD $) In Thousands, except Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Condensed Consolidated Statements Of Operations
Operating revenues	$ 5,811	$ 5,888	$ 11,989	$ 11,947
Operating expenses
Cost of services and products (exclusive of depreciation and amortization expense)	2,944	2,939	6,191	5,807
Selling, general and administrative expenses	4,103	3,099	7,588	6,342
Depreciation and amortization	1,341	1,428	2,738	2,840
Total operating expenses	8,388	7,466	16,517	14,989
Operating loss	(2,577)	(1,578)	(4,528)	(3,042)
Other income (expense)
Interest income (expense)	2	(2)	59	(14)
Income from equity method investment	2,198	2,937	5,416	5,743
Other income (expense), net	9	(1)	15	131
Total other income (expense)	2,209	2,934	5,490	5,860
Income (loss) before income taxes	(368)	1,356	962	2,818
Income taxes (benefit)	(128)	480	330	997
Net income (loss)	(240)	876	632	1,821
Preferred dividends	7	7	13	13
Income (loss) applicable to common stock	$ (247)	$ 869	$ 619	$ 1,808
Basic earnings (loss) per share	$ (0.05)	$ 0.16	$ 0.11	$ 0.34
Diluted earnings (loss) per share	$ (0.05)	$ 0.16	$ 0.11	$ 0.33
Weighted average shares of common stock used to calculate earnings per share
Basic	5,406,894	5,360,611	5,400,822	5,359,499
Diluted	5,406,894	5,398,727	5,424,287	5,401,734
Dividends declared per common share	$ 0.26	$ 0.24	$ 0.52	$ 0.48