ACQUISITIONS (Details)	3 Months Ended			3 Months Ended					3 Months Ended							3 Months Ended	12 Months Ended			3 Months Ended	12 Months Ended		12 Months Ended		3 Months Ended				3 Months Ended
	Mar. 31, 2013 USD ($)	Mar. 31, 2012 USD ($)	Dec. 31, 2012 USD ($)	Mar. 31, 2012 Maximum [Member] USD ($)	Mar. 31, 2013 Acquisition Date Fair Values [Member] USD ($)	Mar. 31, 2013 Measurement Period Adjustments [Member] USD ($)		Mar. 31, 2013 Acquisition Date Fair Values (As adjusted) [Member] USD ($)	Mar. 31, 2013 Class A [Member] USD ($)	Mar. 31, 2012 Class A [Member] USD ($)	Mar. 31, 2013 Class B [Member] USD ($)	Mar. 31, 2012 Class B [Member] USD ($)	Mar. 31, 2013 GigaCom Interconnect [Member]	Mar. 09, 2012 GigaCom Interconnect [Member] USD ($)	Mar. 09, 2012 GigaCom Interconnect [Member] GBP (£)	Mar. 31, 2013 Fibreco [Member]	Dec. 31, 2012 Fibreco [Member] USD ($)	Jul. 31, 2012 Fibreco [Member] USD ($)	Jul. 31, 2012 Fibreco [Member] GBP (£)	Mar. 31, 2013 Powerbox Italy [Member]	Dec. 31, 2012 Powerbox Italy [Member] USD ($)	Sep. 12, 2012 Powerbox Italy [Member] USD ($)	Dec. 31, 2012 Powerbox Italy [Member] Class B [Member]	Sep. 12, 2012 Powerbox Italy [Member] Class B [Member] USD ($)	Mar. 31, 2013 TRP [Member] USD ($)	Mar. 31, 2012 TRP [Member] USD ($)	Mar. 29, 2013 TRP [Member] USD ($)		Mar. 31, 2013 TRP [Member] Class A [Member] USD ($)	Mar. 31, 2012 TRP [Member] Class A [Member] USD ($)	Mar. 31, 2013 TRP [Member] Class B [Member] USD ($)	Mar. 31, 2012 TRP [Member] Class B [Member] USD ($)	Mar. 31, 2013 All Acquisitions [Member] USD ($)
Acquired assets and liabilities [Line Items]
Revenues	$ 63,028,000	$ 65,561,000																															$ 2,900,000
Net (loss) earnings	(553,000)	876,000							(111,000)	143,000	(442,000)	733,000																					800,000
Acquisition date													Mar. 09, 2012			Jul. 31, 2012				Sep. 12, 2012					Mar. 29, 2013
Acquisition of issued and outstanding capital stock (in hundredths)														100.00%	100.00%			100.00%	100.00%			100.00%					100.00%
Cash paid in exchange of net assets acquired					22,138,000	263,000	[1]	22,401,000						2,700,000	1,700,000			13,700,000	8,700,000			3,000,000					22,400,000
Cash acquired from acquisition	8,388,000	0															2,700,000				200,000
Number of restricted shares granted for acquisition (in shares)																							30,000
Compensation expense of grant date fair value of restricted shares																								600,000
Acquisition-related costs	100,000			100,000																					300,000
Assets acquired [Abstract]
Cash and cash equivalents					2,991,000	0	[1]	2,991,000																			8,388,000
Accounts receivable					3,750,000	224,000	[1]	3,974,000																			11,580,000
Inventories					1,061,000	(16,000)	[1]	1,045,000																			6,258,000	[1]
Other current assets					90,000	0	[1]	90,000																			1,953,000
Property, plant and equipment					502,000	248,000	[1]	750,000																			4,693,000	[2]
Intangible assets					30,000	10,358,000	[1]	10,388,000																			0	[3]
Other assets																											1,151,000
Total identifiable assets					8,424,000	10,814,000	[1]	19,238,000																			34,023,000
Liabilities assumed [Abstract]
Accounts payable					(1,702,000)	0	[1]	(1,702,000)																			(8,565,000)
Accrued expenses					(1,736,000)	0	[1]	(1,736,000)																			(4,003,000)
Other current liabilities																											(25,000)
Notes Payable					(216,000)	0	[1]	(216,000)
Income taxes payable					(264,000)	(60,000)	[1]	(324,000)
Deferred income tax liability, current					(70,000)	0	[1]	(70,000)
Deferred income tax liability, noncurrent					0	(2,297,000)	[1]	(2,297,000)
Other long-term liabilities					(216,000)	0	[1]	(216,000)
Total liabilities assumed					(4,204,000)	(2,357,000)	[1]	(6,561,000)																			(12,593,000)
Net identifiable assets acquired					4,220,000	8,457,000	[1]	12,677,000																			21,430,000
Goodwill					17,965,000	(8,241,000)	[1]	9,724,000																			8,278,000	[4]
Fair value of net assets acquired					22,185,000	216,000	[1]	22,401,000																			29,708,000
Consideration transferred [Abstract]
Cash Paid					22,138,000	263,000	[1]	22,401,000						2,700,000	1,700,000			13,700,000	8,700,000			3,000,000					22,400,000
Assumption of severance payment																											109,000
Fair value of grant of license																											0	[5]
Deferred consideration	(7,199,000)	(47,000)	0		47,000	(47,000)	[1]	0																			7,199,000
Fair value of consideration transferred					22,185,000	216,000	[1]	22,401,000																			22,509,000	[6]
Total consideration paid/payable																											29,708,000
Unaudited Pro forma Consolidated Results of Operations
Revenue																									83,529,000	86,410,000
Net earnings																									$ 2,129,000	$ 2,720,000
Earnings per common share - basic and diluted (in dollars per share)																													$ 0.18	$ 0.22	$ 0.19	$ 0.23

[1] The determination of fair value related to the inventory acquired was still in progress as of the date of this filing. The amount above represents only the carrying value of the inventory on TRP's balance sheet as of the acquisition date.

[2] The appraisals related to machinery and equipment acquired were incomplete as of this filing date and as such, the amount noted above represents only the carrying value of those assets as of the acquisition date.

[3] The Company has identified certain intangible assets related to the TRP acquisition, including technology, license agreements and customer lists, which are being valued by a third-party appraiser. These appraisals were not complete as of the date of this filing.

[4] The amount of goodwill is provisional as of the filing date, as the fair value determination of inventory acquired, and appraisals related to property, plant and equipment and various intangible assets are still underway. As the final amount of goodwill has not yet been determined or allocated by segment, the Company is unable to determine at this time the portion of goodwill, if any, that will be deductible for tax purposes.

[5] As part of the consideration transferred, the Company granted Tyco a license related to three of the Company's patents. The valuation related to this license grant was not complete as of the date of this filing.

[6] Deferred consideration represents the Company's estimate of a working capital adjustment which is payable to the seller. Such adjustment must be agreed upon between the Company and the seller, and has not yet been finalized as of the date of this filing.