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10-Q - 10-Q - MFRI INCmfri2011q210q.htm
EXCEL - IDEA: XBRL DOCUMENT - MFRI INCFinancial_Report.xls
XML - IDEA: XBRL DOCUMENT - MFRI INCR4.htm
XML - IDEA: XBRL DOCUMENT - MFRI INCR9.htm
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EX-32 - SECTION 1350 - MFRI INCmfri32q220111.htm
EX-31.1 - DAVID UNGER - MFRI INCmfri311q220111.htm
EX-31.2 - MICHAEL BENNETT - MFRI INCmfri312q220111.htm
XML - IDEA: XBRL DOCUMENT - MFRI INCR11.htm
v2.3.0.11
Interest expense, net
6 Months Ended
Jul. 31, 2011
Interest Expense, Net [Abstract]  
Interest Income and Interest Expense Disclosure [Text Block]
Interest expense, net.
 
Three Months Ended July 31,
Six Months Ended July 31,
 
2011


2010


2011


2010


Interest expense


$551




$523




$1,071




$918


Interest income
(219
)
(119
)
(452
)
(229
)
Interest expense, net


$332




$404




$619




$689