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COMMITMENTS AND CONTINGENCIES (Details) (USD $) In Thousands, unless otherwise specified | 6 Months Ended |
--- | --- | ---
Jun. 30, 2013 | Jun. 30, 2012 | Sep. 30, 2012
Environmental Compliance and Remediation Liabilities |  |  |
Liability associated with environmental remediation costs | $ 254 |  | $ 352
Changes in the carrying amount of the total product warranty liability |  |  |
Balance, beginning of period | 707 | 983 |
Reduction of warranty reserve | (25) | (122) |
Warranty claims | (8) | (99) |
Balance, end of period | 674 | 762 |
Activity in the accounts receivable allowance from continuing operations |  |  |
Balance at beginning of year | 453 | 438 |
Bad debt expense | 11 | 231 |
Write-offs | (185) | (35) |
Balance at end of year | 279 | 634 |
Liquidated Damages |  |  |
Liquidated damages | $ 60 |  |
Minimum |  |  |
Warranty Liability |  |  |
Term of warranty | 1 year |  |
Maximum |  |  |
Warranty Liability |  |  |
Term of warranty | 7 years |  |

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