Property and Equipment (Details) (USD $)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011
Property, Plant and Equipment [Line Items]
Impairment charges	$ 0	$ 321,748	$ 0	$ 321,748	$ 39,000
Net impairment expense					33,000
Total property and equipment	19,599,000		19,599,000		19,152,000
Less: accumulated depreciation	(15,593,000)		(15,593,000)		(14,053,000)
Net carrying value	4,006,226		4,006,226		5,099,050
Depreciation expense	733,000	604,000	1,477,000	1,168,000
Furniture and office equipment [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment	3,313,000		3,313,000		2,088,000
Headend facilities and machinery [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment	16,007,000		16,007,000		16,724,000
Leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment	171,000		171,000		310,000
Vehicles [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 108,000		$ 108,000		$ 30,000