Earnings per share

3 Months Ended

Apr. 30, 2016

Earnings Per Share [Abstract]

Earnings per share [Text Block]

Earnings per share.

	Three Months Ended April 30,
	2016	2015
Basic weighted average common shares outstanding	7,351	7,252
Dilutive effect of equity compensation plans	—	—
Weighted average common shares outstanding assuming full dilution	7,351	7,252
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	415	643
Stock options with an exercise price below the average market price	263	106