Note 2 - 2015 Acquisition Summary (Details)	Dec. 31, 2015 USD ($)
Cedar Rapids [Member]
Other current assets	$ 503,000
Property and equipment	13,754,000
Goodwill	25,006,000
Broadcast licenses	55,676,000
Other intangible assets	5,849,000
Other non-current assets	13,000
Current liabilities	(792,000)
Other long-term liabilities	(13,000)
Total	99,996,000
Odessa [Member]
Other current assets	87,000
Property and equipment	4,629,000
Goodwill	3,719,000
Broadcast licenses	22,253,000
Other intangible assets	3,067,000
Other non-current assets	13,000
Current liabilities	(155,000)
Other long-term liabilities	(13,000)
Total	33,600,000
Twin Falls [Member]
Other current assets	93,000
Property and equipment	5,172,000
Goodwill	2,587,000
Broadcast licenses	6,333,000
Other intangible assets	3,485,000
Other non-current assets	32,000
Current liabilities	(170,000)
Other long-term liabilities	(32,000)
Total	17,500,000
Wausau [Member]
Other current assets	87,000
Property and equipment	1,985,000
Goodwill	11,616,000
Broadcast licenses	0
Other intangible assets	397,000
Other non-current assets	87,000
Current liabilities	(85,000)
Other long-term liabilities	(87,000)
Total	14,000,000
Presque Isle Acquisition [Member]
Other current assets	45,000
Property and equipment	2,822,000
Goodwill	245,000
Broadcast licenses	6,150,000
Other intangible assets	1,039,000
Other non-current assets	0
Current liabilities	(51,000)
Other long-term liabilities	0
Total	10,250,000
Laredo [Member]
Other current assets	22,000
Property and equipment	1,411,000
Goodwill	5,154,000
Broadcast licenses	0
Other intangible assets	2,435,000
Other non-current assets	13,000
Current liabilities	(22,000)
Other long-term liabilities	(13,000)
Total	9,000,000
Goodwill	$ 423,236,000