Earnings per share

6 Months Ended

Jul. 31, 2016

Earnings Per Share [Abstract]

Earnings per share [Text Block]

Earnings per share.

	Three Months Ended July 31,		Six Months Ended July 31,
	2016	2015	2016	2015
Basic weighted average common shares outstanding	7,481	7,277	7,416	7,264
Dilutive effect of equity compensation plans	122	—	—	—
Weighted average common shares outstanding assuming full dilution	7,603	7,277	7,416	7,264
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	356	740	378	672
Stock options with an exercise price below the average market price	248	16	226	84