4. Earnings per share (Tables)

3 Months Ended

Mar. 31, 2016

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Three months ended
	March 31,
	2016		2015
	(In thousands, except per share data)
Net income	$	625	$	144
Shares:
Basic:  Weighted average common shares outstanding		7,834		7,856
Add:  Dilutive effect of outstanding options and restricted stock units as determined by the treasury stock method		49		20
Diluted:  Weighted average common and common equivalent shares outstanding		7,883		7,876
Net income per common share:
Basic	$	0.08	$	0.02
Diluted	$	0.08	$	0.02