Earnings per share

9 Months Ended

Oct. 31, 2016

Earnings Per Share [Abstract]

Earnings per share [Text Block]

Earnings per share.

	Three Months Ended October 31,		Nine Months Ended October 31,
	2016	2015	2016	2015
Basic weighted average common shares outstanding	7,541	7,290	7,457	7,273
Dilutive effect of equity compensation plans	—	77	—	—
Weighted average common shares outstanding assuming full dilution	7,541	7,367	7,457	7,273
Stock options not included in the computation of diluted earnings per share of common stock because the option exercise prices exceeded the average market prices of the common shares	270	753	336	743
Stock options with an exercise price below the average market price	304	—	238	10