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Valuation and Qualifying Accounts and Reserves
 12 Months Ended
Jan. 31, 2013
Valuation and Qualifying Accounts and Reserves [Abstract]  
Valuation and Qualifying Accounts and Reserves
Schedule II

NATIONAL TECHNICAL SYSTEMS, INC. AND SUBSIDIARIES

Valuation and Qualifying Accounts and Reserves

Years ended January 31, 2013 and 2012
 
Description
 
Balance at
 beginning of
 period
 
 
Accrual amount -
charged to
 expenses
 
 
Recoveries
 (Write-offs),
net
 
Balance at
end of period
Allowance for doubtful accounts receivable:
 
 
   
 
   
 
 
 
Year ended January 31,
                
2013
 
$
671,000
   
 
422,000
   
$
(246,000
)
$
847,000
2012
 
$
549,000
 
 
$
(71,000
)
 
$
193,000
 
$
671,000