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DISCONTINUED OPERATIONS AND DIVESTITURES (Details) (USD $) | 3 Months Ended | 12 Months Ended
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Dec. 31, 2011 | Sep. 30, 2011 | Jun. 30, 2011 | Mar. 31, 2011 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
DISCONTINUED OPERATIONS AND DIVESTITURES [Abstract] |  |  |  |  |  |  |  |  |  |  |
Number of previously shut down locations |  |  |  |  |  | 2 |  |  |  |  |
Results of discontinued operations [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net revenues |  |  |  |  |  | $ 2,204,000 |  | $ 6,931,000 |  | $ 9,248,000 |
Interest expense |  |  |  |  |  | (34,000) |  | (68,000) |  | (84,000) |
Operating loss from discontinued operations |  |  |  |  |  | (560,000) |  | (366,000) |  | (839,000) |
Income tax benefit |  |  |  |  |  | (530,000) |  | (548,000) |  | 80,000 |
Gain on disposal of discontinued operations | (268,000) |  | 1,777,000 | 0 | 0 | 0 | [1] | 1,509,000 | [1] | 0 | [1]
(Loss) income from discontinued operations, net of taxes |  |  |  |  |  | (30,000) |  | 1,691,000 |  | (919,000) |
Gain on disposal of discontinued operations, taxes |  |  |  |  |  |  |  | 1,276,000 |  |  |
Total assets related to discontinued operations | 2,343,000 |  |  |  |  | 2,113,000 |  | 2,343,000 |  |  |
Total liabilities related to discontinued operations | 3,972,000 |  |  |  |  | 3,341,000 |  | 3,972,000 |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Property, plant and equipment, net | 1,650,000 |  |  |  |  | 1,614,000 |  | 1,650,000 |  |  |
Total assets related to discontinued operations | 2,343,000 |  |  |  |  | 2,113,000 |  | 2,343,000 |  |  |
Total liabilities related to discontinued operations | 3,972,000 |  |  |  |  | 3,341,000 |  | 3,972,000 |  |  |
Allowance for doubtful accounts | 48,000 |  |  |  |  | 45,000 |  | 48,000 |  |  |
Accumulated depreciation | 35,666,000 |  |  |  |  | 40,376,000 |  | 35,666,000 |  |  |
Environmental liabilities | 2,002,000 |  |  |  |  | 1,614,000 |  | 2,002,000 |  |  |
Payments for environmental liabilities |  |  |  |  |  | 388,000 |  |  |  |  |
Environmental Liabilities [Abstract] |  |  |  |  |  |  |  |  |  |  |
Number of remediation projects |  |  |  |  |  | 4 |  |  |  |  |
Number of RCRA permitted facilities |  |  |  |  |  | 3 |  |  |  |  |
Accrual for environmental loss contingencies [Abstract] |  |  |  |  |  |  |  |  |  |  |
Current Accrual |  |  |  |  |  | 374,000 |  |  |  |  |
Long-term Accrual |  |  |  |  |  | 1,240,000 |  |  |  |  |
Total Liability | 2,002,000 |  |  |  |  | 1,614,000 |  | 2,002,000 |  |  |
Held for sale [Member] |  |  |  |  |  |  |  |  |  |  |
Results of discontinued operations [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total assets related to discontinued operations | 2,082,000 |  |  |  |  | 2,053,000 |  | 2,082,000 |  |  |
Total liabilities related to discontinued operations | 2,369,000 |  |  |  |  | 2,201,000 |  | 2,369,000 |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Accounts receivable, net | 385,000 | [2] |  |  |  | 391,000 | [2] | 385,000 | [2] |  |
Inventories | 25,000 |  |  |  |  | 32,000 |  | 25,000 |  |  |
Other assets | 22,000 |  |  |  |  | 16,000 |  | 22,000 |  |  |
Property, plant and equipment, net | 1,650,000 | [3] |  |  |  | 1,614,000 | [3] | 1,650,000 | [3] |  |
Total assets related to discontinued operations | 2,082,000 |  |  |  |  | 2,053,000 |  | 2,082,000 |  |  |
Accrued expenses and other liabilities | 577,000 |  |  |  |  | 528,000 |  | 577,000 |  |  |
Accounts payable | 190,000 |  |  |  |  | 229,000 |  | 190,000 |  |  |
Note payable | 105,000 |  |  |  |  | 71,000 |  | 105,000 |  |  |
Environment liabilities | 1,497,000 |  |  |  |  | 1,373,000 |  | 1,497,000 |  |  |
Total liabilities related to discontinued operations | 2,369,000 |  |  |  |  | 2,201,000 |  | 2,369,000 |  |  |
Accumulated depreciation | 62,000 |  |  |  |  | 60,000 |  | 62,000 |  |  |
Not held for sale [Member] |  |  |  |  |  |  |  |  |  |  |
Results of discontinued operations [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total assets related to discontinued operations | 261,000 |  |  |  |  | 60,000 |  | 261,000 |  |  |
Total liabilities related to discontinued operations | 1,603,000 |  |  |  |  | 1,140,000 |  | 1,603,000 |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Other assets | 261,000 |  |  |  |  | 60,000 |  | 261,000 |  |  |
Total assets related to discontinued operations | 261,000 |  |  |  |  | 60,000 |  | 261,000 |  |  |
Accrued expenses and other liabilities | 1,083,000 |  |  |  |  | 884,000 |  | 1,083,000 |  |  |
Accounts payable | 15,000 |  |  |  |  | 15,000 |  | 15,000 |  |  |
Environment liabilities | 505,000 |  |  |  |  | 241,000 |  | 505,000 |  |  |
Total liabilities related to discontinued operations | 1,603,000 |  |  |  |  | 1,140,000 |  | 1,603,000 |  |  |
PFM [Member] |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Environmental liabilities |  |  |  |  |  | 61,000 |  |  |  |  |
Accrual for environmental loss contingencies [Abstract] |  |  |  |  |  |  |  |  |  |  |
Current Accrual |  |  |  |  |  | 23,000 |  |  |  |  |
Long-term Accrual |  |  |  |  |  | 38,000 |  |  |  |  |
Total Liability |  |  |  |  |  | 61,000 |  |  |  |  |
PFSG [Member] |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Environmental liabilities |  |  |  |  |  | 1,373,000 |  |  |  |  |
Environmental Liabilities [Abstract] |  |  |  |  |  |  |  |  |  |  |
Increase in reserve due to reassessment of remediation reserves |  |  |  |  |  | 123,000 |  |  |  |  |
Accrual for environmental loss contingencies [Abstract] |  |  |  |  |  |  |  |  |  |  |
Current Accrual |  |  |  |  |  | 343,000 |  |  |  |  |
Long-term Accrual |  |  |  |  |  | 1,030,000 |  |  |  |  |
Total Liability |  |  |  |  |  | 1,373,000 |  |  |  |  |
PFD [Member] |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Environmental liabilities |  |  |  |  |  | 99,000 |  |  |  |  |
Environmental Liabilities [Abstract] |  |  |  |  |  |  |  |  |  |  |
Increase in reserve due to reassessment of remediation reserves |  |  |  |  |  | 90,000 |  |  |  |  |
Accrual for environmental loss contingencies [Abstract] |  |  |  |  |  |  |  |  |  |  |
Current Accrual |  |  |  |  |  | 7,000 |  |  |  |  |
Long-term Accrual |  |  |  |  |  | 92,000 |  |  |  |  |
Total Liability |  |  |  |  |  | 99,000 |  |  |  |  |
PFMI [Member] |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Environmental liabilities |  |  |  |  |  | 81,000 |  |  |  |  |
Environmental Liabilities [Abstract] |  |  |  |  |  |  |  |  |  |  |
Increase in reserve due to reassessment of remediation reserves |  |  |  |  |  | 33,000 |  |  |  |  |
Accrual for environmental loss contingencies [Abstract] |  |  |  |  |  |  |  |  |  |  |
Current Accrual |  |  |  |  |  | 1,000 |  |  |  |  |
Long-term Accrual |  |  |  |  |  | 80,000 |  |  |  |  |
Total Liability |  |  |  |  |  | 81,000 |  |  |  |  |
Perma-Fix of Fort Lauderdale, Inc. [Member] |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Sale of stock (in hundredths) |  |  |  |  |  | 100.00% |  |  |  |  |
Sale of stock/asset, consideration received on transaction |  |  |  |  |  | 5,500,000 |  |  |  |  |
Expenses related to sale of subsidiary paid |  |  |  |  |  | 160,000 |  |  |  |  |
Gain (loss) on sale of stock in subsidiary |  |  |  |  |  | 1,707,000 |  |  |  |  |
Gain loss on sale of subsidiary, net of tax |  |  |  |  |  | 1,067,000 |  |  |  |  |
Working capital adjustment on gain (loss) on sale of subsidiaries |  |  |  |  |  | 185,000 |  |  |  |  |
Perma-Fix of Orlando, Inc. [Member] |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Sale of stock/asset, consideration received on transaction |  |  |  |  |  | 2,000,000 |  |  |  |  |
Expenses related to sale of subsidiary paid |  |  |  |  |  | 37,000 |  |  |  |  |
Gain (loss) on sale of stock in subsidiary |  |  |  |  |  | 198,000 |  |  |  |  |
Gain loss on sale of subsidiary, net of tax |  |  |  |  |  | 209,000 |  |  |  |  |
Working capital adjustment on gain (loss) on sale of subsidiaries |  |  |  |  |  | $ 0 |  |  |  |  |
[1] | Net of taxes of $1,276,000 for year ended December 31, 2011.
[2] | net of allowance for doubtful account of $45,000 and $48,000 as of December 31, 2012, and 2011, respectively.
[3] | net of accumulated depreciation of $60,000 and $62,000 as of December 31, 2012, and 2011, respectively.

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