Note 4 - Capitalized Software Costs - Capitalized Software Costs and Accumulated Amortization (Details) - USD ($) $ in Thousands	Oct. 31, 2016	Jan. 31, 2016
Capitalized software costs:
Acquired software technology	$ 3,458	$ 3,458
Capitalized software development costs	772	1,029
Total capitalized software costs	4,230	4,487
Less accumulated amortization	(3,296)	(2,934)
Capitalized software costs, net	$ 934	$ 1,553