Condensed Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Net Revenue
Unified Communications	$ 3,920	$ 3,252	$ 7,876	$ 6,526
Telephone	3,527	3,634	7,311	7,441
Total operating revenues	7,447	6,886	15,187	13,967
Operating expenses
Cost of services and products (exclusive of depreciation and amortization expense)	3,215	3,434	7,004	6,982
Selling, general and administration expenses	6,329	5,603	13,681	11,011
Depreciation and amortization	961	1,296	1,963	2,575
Total operating expenses	10,505	10,333	22,648	20,568
Operating loss	(3,058)	(3,447)	(7,461)	(6,601)
Other income (expense)
Interest income (expense)	(178)	(112)	(414)	(169)
Income from equity method investment	3,250	3,096	6,500	4,521
Other income (expense), net	29	136	137	131
Total other income	3,101	3,120	6,223	4,483
Income (loss) before income taxes	43	(327)	(1,238)	(2,118)
Income taxes expense (benefit)	3	(99)	(445)	(656)
Net income (loss)	40	(228)	(793)	(1,462)
Preferred dividends	7	7	13	13
Income (loss) applicable to common stock	33	(235)	(806)	(1,475)
Basic earnings (loss) per common share	$ 0.01	$ (0.04)	$ (0.14)	$ (0.26)
Basic earnings (loss) per puttable common share		$ (0.04)		$ (0.26)
Diluted earnings (loss) per share	$ 0.01	$ (0.04)	$ (0.14)	$ (0.26)
Diluted earnings (loss) per puttable common share		$ (0.04)		$ (0.26)
Weighted average shares of common stock used to calculate earnings per share
Basic	5,775	5,731	5,760	5,723
Basic (puttable common)		272		272
Diluted	5,775	5,731	5,760	5,723
Diluted (puttable common)		$ 272		$ 272
Dividends declared per common share	$ 0.27	$ 0.27	$ 0.54	$ 0.54