Note 7 - Income Taxes - Income Tax Expense (Details) - USD ($)	12 Months Ended
	Jan. 31, 2017	Jan. 31, 2016
Federal:
Current	$ 0	$ 0
Deferred	0	0
State:
Current	5,000	4,000
Deferred	0	0
Foreign:
Current	0	0
	$ 5,000	$ 0