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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