Note 21 - Revenue (Details Textual) Pure in Thousands	12 Months Ended
	Jan. 31, 2023
Non-US [Member]
Number of Countries with Greater Than Ten Percent of Revenue	0
Minimum [Member] | Subscription Contracts [Member]
Customer Contract Term (Year)	1 year
Maximum [Member] | Subscription Contracts [Member]
Customer Contract Term (Year)	3 years