XML 22 R22.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Subsequent event | 12 Months Ended
--- | ---
Jan. 31, 2012
Subsequent Event [Abstract] |
Subsequent Event | Note 14 - Subsequent event At January 31, 2012, the Company was in compliance with all debt covenants under our Loan Agreements. Subsequent to January 31, 2012, the Company was not in compliance with the Fixed Charge Coverage Ratio covenant for the period ended March 31, 2012. Prior to filing these statements, the Company has received a waiver and amendment to adjust the covenants to levels which the Company has complied without interruption and which the Company believes continues to be attainable for the next 12 months.

X
- Details
Name: | mfri_SubsequentEventAbstract
Namespace Prefix: | mfri_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business. + References No definition available. + Details
Name: | us-gaap_SubsequentEventsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration