DIVESTITURE ASSETS HELD FOR SALE (Details) (USD $)	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2012 Assets Held for Sale, Inventory [Member]	Jun. 30, 2012 Assets Held for Sale, Prepaid Expense [Member]	Jun. 30, 2012 Assets Held for Sale, Capitalized Software [Member]	Jun. 30, 2012 Assets Held for Sale, Fixed Assets [Member]	Jun. 30, 2012 Assets Held for Sale, Goodwill and Intangibles [Member]	Jun. 30, 2012 Assets Held for Sale, Write Down to Fair Value [Member]	Jun. 30, 2012 Consumer Audio Product Group [Member]	Jun. 30, 2012 Consumer Audio Product Group [Member] Assets Held for Sale, Inventory [Member]	Jun. 30, 2012 Consumer Audio Product Group [Member] Assets Held for Sale, Prepaid Expense [Member]	Jun. 30, 2012 Consumer Audio Product Group [Member] Assets Held for Sale, Capitalized Software [Member]	Jun. 30, 2012 Consumer Audio Product Group [Member] Assets Held for Sale, Fixed Assets [Member]	Jun. 30, 2012 Consumer Audio Product Group [Member] Assets Held for Sale, Goodwill and Intangibles [Member]	Jun. 30, 2012 Consumer Audio Product Group [Member] Assets Held for Sale, Write Down to Fair Value [Member]	Jun. 30, 2012 Consumer Video Product Group [Member]	Jun. 30, 2012 Consumer Video Product Group [Member] Assets Held for Sale, Inventory [Member]	Jun. 30, 2012 Consumer Video Product Group [Member] Assets Held for Sale, Prepaid Expense [Member]	Jun. 30, 2012 Consumer Video Product Group [Member] Assets Held for Sale, Capitalized Software [Member]	Jun. 30, 2012 Consumer Video Product Group [Member] Assets Held for Sale, Fixed Assets [Member]	Jun. 30, 2012 Consumer Video Product Group [Member] Assets Held for Sale, Goodwill and Intangibles [Member]	Jun. 30, 2012 Consumer Video Product Group [Member] Assets Held for Sale, Write Down to Fair Value [Member]	Jul. 02, 2012 Numark Industries, L.P. [Member]	Jun. 30, 2012 Numark Industries, L.P. [Member]	Jul. 02, 2012 Corel Corporation [Member]	Jun. 30, 2012 Corel Corporation [Member]	Jun. 30, 2012 Net Assets Classified as Assets Held for Sale [Member]
Disposal Group, Total Sales Price																							$ 11,800,000		$ 3,000,000
Current Assets Held-for-Sale, Proceeds from Sale																							10,600,000		2,400,000
Assets held for sale	12,940,000	0	10,765,000	60,000	372,000	177,000	11,517,000	(8,050,000)	10,828,000	7,707,000	0	102,000	153,000	9,855,000	(5,976,000)	2,112,000	3,058,000	60,000	270,000	24,000	1,662,000	(2,074,000)					12,900,000
Assets Held for Sale, Estimated Fair Value	14,841,000								11,841,000							3,000,000
Assets Held for Sale, Costs to Sell	(1,901,000)								(1,013,000)							(888,000)
Net Book Value of Assets Held for Sale	22,891,000								17,817,000							5,074,000
Disposal Group, Including Discontinued Operation, Goodwill																								6,300,000		1,700,000
Assets Held-for-Sale, Estimated Write-Down	$ 10,000,000