Note 2 - Summary of Significant Accounting Policies (Detail) (USD $)	3 Months Ended
	Apr. 30, 2013	Apr. 30, 2012
Line of Credit Facility, Amount Outstanding (in Dollars)	$ 178,201
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in Shares)	3,693,972	3,695,804
Aggregate Weighted Average Incremental Increase of Shares of Beneficial Interest Assuming Conversion (in Shares)	3,693,972	3,695,804
Scenario, Forecast [Member]
Capital Improvement Reduction (in Dollars)	800,000
Adjusted Amount [Member]
Line of Credit Facility, Amount Outstanding (in Dollars)	$ 600,000