Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Accounts receivable, allowance for doubtful accounts	$ 2,879	$ 2,310
Treasury stock, shares	4,947,659	1,637,818
Total assets	10,071	10,688
Broadcast licenses and other intangible assets, net	7,809	7,815
Program rights	1,183	1,574
Total liabilities	2,242	2,721
Program obligations	$ 1,247	$ 1,884
Class A common stock
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	100,000,000	100,000,000
Common stock, issued shares	34,784,270	34,650,169
Common stock, outstanding shares	29,836,611	33,012,351
Class B common stock
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	50,000,000	50,000,000
Common stock, issued shares	23,401,726	23,401,726
Common stock, outstanding shares	23,401,726	23,401,726
Class C common stock
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	50,000,000	50,000,000
Common stock, issued shares	2	2
Common stock, outstanding shares	2	2