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Note 10 - Stock-based Compensation - Stock-based Compensation Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2019	Jan. 31, 2018
Stock-based compensation expense	$ 1,165	$ 1,447
Employee Stock Option [Member]
Stock-based compensation expense	33	94
Restricted Stock [Member]
Stock-based compensation expense	$ 1,132	$ 1,353

X

- Definition

The amount of expense, net of income tax, recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

No definition available.

+ Details

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- Details

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Balance Type:
Period Type:

X

- Details

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Namespace Prefix:
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Period Type: