Note 5 - Capitalized Software Costs - Capitalized Software Costs and Accumulated Amortization (Details) - USD ($) $ in Thousands	Jul. 31, 2021	Jan. 31, 2021
Capitalized software development costs	$ 3,711	$ 3,655
Acquired software technology	9,272	6,191
Capitalized software costs, Gross	12,983	9,846
Less accumulated amortization	(2,756)	(1,866)
Total	$ 10,227	$ 7,980