XML 34 R22.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Reclassifications (Notes) | 9 Months Ended
--- | ---
Oct. 31, 2016
Reclassifications [Abstract] |
Reclassifications [Text Block] | Reclassifications. Reclassifications were made to the prior-year balance sheet to conform to the current-year presentations.

X
- Definition Reclassifications [Abstract] + References No definition available. + Details
Name: | mfri_ReclassificationsAbstract
Namespace Prefix: | mfri_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for classifying current financial statements, which may be different from classifications in the prior year's financial statements. Disclose any material changes in classification including an explanation of the reason for the change and the areas impacted. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6359566&loc=d3e326-107755 + Details
Name: | us-gaap_Reclassifications
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration