Note 2 - Summary of significant Accounting Policies - Useful Life of Property and Equipment (Details)	12 Months Ended
	Jan. 31, 2023
Computer Equipment [Member]
Property, Plant and Equipment, Useful Life (Year)	3 years
Furniture and Fixtures [Member]
Property, Plant and Equipment, Useful Life (Year)	5 years
Leasehold Improvements [Member]
Property, Plant and Equipment, Useful Life (Year)	7 years