Note 18 - Supplemental Cash Flow Disclosures (Details) - Supplemental Cash Flow Disclosures (USD $)	12 Months Ended
	Jan. 31, 2014	Jan. 31, 2013
Note 18 - Supplemental Cash Flow Disclosures (Details) - Supplemental Cash Flow Disclosures [Line Items]
Cash paid for interest	$ 754,919	$ 961,709
Class A Limited Partnership Units [Member]
Note 18 - Supplemental Cash Flow Disclosures (Details) - Supplemental Cash Flow Disclosures [Line Items]
Promissory notes issued by the Trust		15,500
Beneficial Interest [Member]
Note 18 - Supplemental Cash Flow Disclosures (Details) - Supplemental Cash Flow Disclosures [Line Items]
Promissory notes issued by the Trust	$ 29,360	$ 8,000