Note 4 - Capitalized Software Costs - Estimated Amortization Expense (Details) - USD ($)	Apr. 30, 2017	Jan. 31, 2017
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year	$ 253,000
Total	253,000	$ 415,000
Computer Software, Intangible Asset [Member]
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year	443,000
2019	123,000
2020	70,000
2021	5,000
Total	$ 641,000