Condensed Consolidated Statements Of Operations (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Operating revenues
Unified Communications	$ 13,569		$ 8,360		$ 4,527
Telephone	14,373		17,576		19,899
Total operating revenues	27,942		25,936		24,426
Operating expenses
Cost of services and products (exclusive of depreciation and amortization expense)	14,134		14,701		11,978
Selling, general and administrative expenses	23,702		17,558		13,056
Depreciation and amortization	5,476		5,266		5,780
Impairment of fixed assets	8,883				2,283
Total operating expenses	52,195		37,525		33,097
Operating loss	(24,253)		(11,589)		(8,671)
Other income (expense)
Interest income (expense)	(415)		(64)		33
Income from equity method investment	11,021		7,898		12,578
Other income (expense), net	(286)		(51)		261
Total other income (expense)	10,320		7,783		12,872
Income before income taxes	(13,933)		(3,806)		4,201
Income tax expense (benefit)	(4,481)		(885)		1,349
Net income (loss)	(9,452)		(2,921)		2,852
Preferred dividends	25		25		25
Net income (loss) applicable to common stock	$ (9,477)		$ (2,946)		$ 2,827
Basic earnings (loss) per common share	$ (1.66)		$ (0.54)		$ 0.53
Basic earnings (loss) per puttable common share			$ (0.54)
Diluted earnings (loss) per common share	$ (1.66)	[1]	$ (0.54)	[1]	$ 0.52
Diluted earnings (loss) per puttable common share			$ (0.54)
Weighted average shares of common stock used to calculate earnings (loss) per share
Basic	5,711,815		5,413,144		5,363,543
Basic (puttable common)			186
Diluted	5,711,815		5,413,144		5,407,994
Diluted (puttable common)			186
Dividends declared per common share	$ 1.08		$ 1.04		$ 0.96

[1] As a result of the net loss, there is no difference between basic and diluted earnings (loss) per share.