CONSOLIDATED STATEMENTS OF EARNINGS (LOSS) AND COMPREHENSIVE INCOME (LOSS) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Revenues:
Admissions	$ 9,521,000	$ 10,428,000	$ 13,633,000
Event-related	9,190,000	9,889,000	10,309,000
Broadcasting	27,445,000	26,404,000	27,778,000
Other	24,000	26,000	150,000
Total revenues	46,180,000	46,747,000	51,870,000
Expenses:
Operating and marketing	26,648,000	26,688,000	31,926,000
Impairment charges	4,329,000		15,687,000
General and administrative	7,252,000	7,560,000	8,329,000
Depreciation	3,291,000	3,314,000	4,588,000
Total expenses	41,520,000	37,562,000	60,530,000
Operating earnings (loss)	4,660,000	9,185,000	(8,660,000)
Interest expense, net	(959,000)	(1,396,000)	(2,245,000)
Other income (expense)	157,000	(48,000)	15,000
Benefit (provision) for contingent obligation	91,000	321,000	(2,250,000)
Loss on extinguishment of debt			(67,000)
Earnings (loss) from continuing operations before income taxes	3,949,000	8,062,000	(13,207,000)
Income tax (expense) benefit	(1,925,000)	(3,491,000)	4,093,000
Earnings (loss) from continuing operations	2,024,000	4,571,000	(9,114,000)
Loss from discontinued operation, net of income tax benefit			(71,000)
Net earnings (loss)	2,024,000	4,571,000	(9,185,000)
Unrealized gain (loss) on available-for-sale securities, net of income taxes	34,000	27,000	(22,000)
Change in pension net actuarial loss and prior service cost, net of income taxes	897,000	(265,000)	(706,000)
Comprehensive income (loss)	$ 2,955,000	$ 4,333,000	$ (9,913,000)
Net earnings (loss) per common share - basic:
Continuing operations (in dollars per share)	$ 0.05	$ 0.12	$ (0.25)
Net earnings (loss) (in dollars per share)	$ 0.05	$ 0.12	$ (0.25)
Net earnings (loss) per common share - diluted:
Continuing operations (in dollars per share)	$ 0.05	$ 0.12	$ (0.25)
Net earnings (loss) (in dollars per share)	$ 0.05	$ 0.12	$ (0.25)