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Note 2 - Summary of Significant Accounting Policies - Allowance for Doubtful Accounts (Details) (USD $)
12 Months Ended
Jan. 31, 2015
Jan. 31, 2014
Beginning Balance $ 23,593us-gaap_ValuationAllowancesAndReservesBalance $ 34,415us-gaap_ValuationAllowancesAndReservesBalance
Charged to Expense 112,332us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense 5,061us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense
Deductions (96,880)us-gaap_ValuationAllowancesAndReservesDeductions (15,883)us-gaap_ValuationAllowancesAndReservesDeductions
Ending Balance $ 39,045us-gaap_ValuationAllowancesAndReservesBalance $ 23,593us-gaap_ValuationAllowancesAndReservesBalance