Earnings per share

6 Months Ended

Jul. 31, 2014

Earnings Per Share [Abstract]

Earnings per share [Text Block]

Earnings per share.

	Three Months Ended July 31,		Six Months Ended July 31,
	2014	2013	2014	2013
Basic weighted average common shares outstanding	7,248	6,985	7,212	6,958
Dilutive effect of equity incentive plans	138	69	138	27
Weighted average common shares outstanding assuming full dilution	7,386	7,054	7,350	6,985
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	160	375	160	375
Stock options with an exercise price below the average market price	547	574	547	574