Goodwill and Other Intangible Assets (Details Textual) (USD $)	3 Months Ended			1 Months Ended	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012	Jul. 31, 2012 Tel Worx [Member]	Dec. 31, 2012 Tel Worx [Member]	Mar. 31, 2013 Maximum [Member]	Mar. 31, 2013 Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill acquired				$ 12,500,000
Goodwill impairment (TelWorx)				16,100,000	12,500,000
Amortization of intangible assets basis over estimated useful lives						8 years	1 year
Goodwill and Intangibles Assets (Textual) [Abstract]
Goodwill	161,000		161,000
Decrease in cost of intangible assets	600,000
Amortization of intangible assets	$ 605,000	$ 745,000