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COMMITMENTS AND CONTINGENCIES (Details) (USD $) | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended |
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Jun. 30, 2011 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010 | Sep. 30, 2011 SynQor, Inc [Member] | Jun. 30, 2011 SynQor, Inc [Member] | Dec. 31, 2010 SynQor, Inc [Member] | Dec. 31, 2012 SynQor, Inc [Member] | Dec. 31, 2011 Halo Electronics, Inc. [Member] | Jun. 30, 2011 Halo Electronics, Inc. [Member]
Future minimum lease payments for operating leases [Abstract] |  |  |  |  |  |  |  |  |  |
2013 |  | $ 2,512,000 |  |  |  |  |  |  |  |
2014 |  | 1,960,000 |  |  |  |  |  |  |  |
2015 |  | 1,740,000 |  |  |  |  |  |  |  |
2016 |  | 1,560,000 |  |  |  |  |  |  |  |
2017 |  | 1,047,000 |  |  |  |  |  |  |  |
Thereafter |  | 2,645,000 |  |  |  |  |  |  |  |
Total future minimum lease payments for operating leases |  | 11,464,000 |  |  |  |  |  |  |  |
Rent expense for leases |  | 3,400,000 | 3,300,000 | 3,400,000 |  |  |  |  |  |
Other commitments [Abstract] |  |  |  |  |  |  |  |  |  |
Outstanding purchase orders related to raw materials |  | 18,800,000 | 25,200,000 |  |  |  |  |  |  |
Outstanding purchase orders related to capital expenditures |  | 1,700,000 | 1,700,000 |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Number of defendants |  |  |  |  |  |  |  | 11 |  |
Damages awarded |  |  |  |  |  | 2,500,000 | 8,100,000 |  |  |
Damages covered through indemnification agreement |  |  |  |  |  | 1,900,000 |  |  |  |
Damages recorded as expenses | 2,800,000 |  |  |  | 200,000 | 600,000 |  |  |  |
Supersedeas bond posted to court |  |  |  |  |  |  |  | 13,000,000 |  |
Liability related to past sales subsequently paid |  |  |  |  |  |  |  |  |  | $ 2,600,000
Percentage of royalty payable on net worldwide sale (in hundredths) |  |  |  |  |  |  |  |  | 8.00% |
Percentage of royalty received on net worldwide sale (in hundredths) |  |  |  |  |  |  |  |  | 10.00% |

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