Note 2 - Summary of Significant Accounting Policies (Detail) - Reconciliation of Basic and Diluted Income Per Share (USD $)	3 Months Ended
	Apr. 30, 2013	Apr. 30, 2012
Net Income attributable to controlling interest (in Dollars)	$ 435,250	$ 464,214
Plus: Net Income attributable to non-controlling interests (in Dollars)	347,965	180,608
Net Income attributable to controlling interest after unit conversion (in Dollars)	$ 783,215	$ 644,822
Weighted average common shares outstanding	8,387,447	8,441,045
Plus: Weighted average incremental shares resulting from unit conversion	3,693,972	3,695,804
Weighted average common shares outstanding after unit conversion	12,081,419	12,136,849
Basic and Diluted Income Per Share (in Dollars per share)	$ 0.05	$ 0.05