Broadcast Licenses and Other Intangibles Assets (Details Textual) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Amortization Expense For Reporting Period [Abstract]
Amortization expense	$ 51,000	$ 50,000	$ 49,000
Aggregate Annual Amortization Expense for Existing Intangible Assets Subject to Amortization for Future Five Years [Abstract]
2013	52,000
2014	52,000
2015	38,000
2016	37,000
2017	$ 37,000