Industry Segments - Segment Information (Detail) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Segment Information [Line Items]
Publishing									$ 122,540,000		$ 140,857,000		$ 145,573,000
Merchandising									57,574,000		48,614,000		42,806,000
Broadcasting									17,513,000		31,962,000		42,434,000
Revenues	56,363,000	43,549,000	47,884,000	49,831,000	61,694,000	52,204,000	54,860,000	52,675,000	197,627,000		221,433,000		230,813,000
Non-cash equity compensation									(3,807,000)	[1]	(5,496,000)	[1]	(5,401,000)
Depreciation and amortization									(4,007,000)		(3,978,000)		(4,632,000)
Restructuring charges	(3,500,000)								(4,811,000)	[1]	(5,116,000)	[1]	0
Goodwill impairment		(44,300,000)							(44,257,000)		0		0
Operating income/(loss)	1,360,000	(50,689,000)	(2,885,000)	(4,182,000)	(38,000)	(9,294,000)	(2,486,000)	(6,776,000)	(56,396,000)		(18,594,000)		(8,663,000)
Total assets	154,260,000				216,120,000				154,260,000		216,120,000		222,314,000
Capital expenditures									1,314,000		2,879,000		4,707,000
Non-cash equity compensation									3,939,000		5,020,000		5,400,000
Reversal of non-cash equity compensation expense									100,000		500,000
Publishing
Segment Information [Line Items]
Publishing									122,540,000		140,857,000		145,573,000
Non-cash equity compensation									(587,000)	[1]	(682,000)	[1]	(552,000)
Depreciation and amortization									(742,000)		(774,000)		(1,127,000)
Restructuring charges									(1,971,000)	[1]	(828,000)	[1]
Goodwill impairment									(44,257,000)
Operating income/(loss)									(62,029,000)		(6,464,000)		2,650,000
Total assets	31,232,000				83,769,000				31,232,000		83,769,000		91,914,000
Capital expenditures									236,000		1,221,000		815,000
Merchandising [Member]
Segment Information [Line Items]
Merchandising									57,574,000		48,614,000		42,806,000
Non-cash equity compensation									(455,000)	[1]	(224,000)	[1]	(803,000)
Depreciation and amortization									(52,000)		(32,000)		(43,000)
Restructuring charges									(81,000)	[1]	(13,000)	[1]
Operating income/(loss)									39,477,000		29,972,000		25,001,000
Total assets	87,213,000				81,199,000				87,213,000		81,199,000		73,659,000
Capital expenditures									105,000		7,000		10,000
Broadcasting [Member]
Segment Information [Line Items]
Broadcasting									17,513,000		31,962,000		42,434,000
Non-cash equity compensation									(50,000)	[1]	(67,000)	[1]	(230,000)
Depreciation and amortization									(388,000)		(470,000)		(878,000)
Restructuring charges									(816,000)	[1]	(600,000)	[1]
Operating income/(loss)									2,354,000		(4,740,000)		(1,578,000)
Total assets	19,619,000				28,352,000				19,619,000		28,352,000		39,092,000
Capital expenditures									41,000		32,000		843,000
Corporate
Segment Information [Line Items]
Non-cash equity compensation									(2,715,000)	[1]	(4,523,000)	[1]	(3,816,000)
Depreciation and amortization									(2,825,000)		(2,702,000)		(2,584,000)
Restructuring charges									(1,943,000)	[1]	(3,675,000)	[1]
Operating income/(loss)									(36,198,000)		(37,362,000)		(34,736,000)
Total assets	16,196,000				22,800,000				16,196,000		22,800,000		17,649,000
Capital expenditures									$ 932,000		$ 1,619,000		$ 3,039,000

[1] As disclosed on the Company's consolidated statements of cash flows, total non-cash equity compensation expense was $3.9 million and $5.0 million in 2012 and 2011, respectively. Included in non-cash equity compensation expense in 2012 and 2011 were net charges to expense of approximately $0.1 million and reversals of expense of approximately $0.5 million, respectively, which were generated in connection with restructuring activities. Accordingly, these amounts are reflected as restructuring charges in the Company's 2012 and 2011 consolidated statements of operations. See Note 14, Restructuring charges for further information.