Note 1 - Summary of Business and Significant Accounting Policies - Capitalized Software Costs and Accumulated Amortization (Details) - USD ($) $ in Thousands		Jan. 31, 2017	Jan. 31, 2016
Capitalized software costs:
Acquired software technology		$ 3,458	$ 3,458
Capitalized software development costs (1)	[1]	748	1,029
Subtotal capitalized software costs		4,206	4,487
Less accumulated amortization		(3,474)	(2,934)
Capitalized software costs, net		$ 732	$ 1,553

[1] Capitalized software development costs include the impact of foreign currency translation.