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Schedule II
12 Months Ended
Jan. 31, 2012
Schedule II [Abstract]  
Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]
Schedule II
MFRI, INC. AND SUBSIDIARIES
VALUATION AND QUALIFYING ACCOUNTS
For the Years Ended January 31, 2012 and 2011
 
Balance at beginning of period

Charged to costs and expenses

Deductions from reserves (1)

Charged to other accounts (2)

Balance at end of period

 
 
 
 
 
 
Year Ended January 31, 2012
 
 
 
 
 
Allowance for possible losses in collection of trade receivables
346

63

20

(154
)
235

 
 
 
 
 
 
Year Ended January 31, 2011
 
 
 
 
 
Allowance for possible losses in collection of trade receivables
$379
$86
$212
$93
$346
 
 
 
 
 
 

(1) Uncollectible accounts charged off
(2) Primarily related to recoveries from accounts previously charged off and currency translation