4. Earnings per share (Tables)

3 Months Ended

Mar. 31, 2015

Earnings Per Share [Abstract]

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

	Three months ended
	March 31,
	2015		2014
	(In thousands, except per share data)
Net income	$	144	$	394
Shares:
Basic:  Weighted average common shares outstanding		7,856		8,373
Add:  Dilutive effect of outstanding options as determined by the treasury stock method		20		180
Diluted:  Weighted average common and common equivalent shares outstanding		7,876		8,553
Net income per common share:
Basic	$	0.02	$	0.05
Diluted	$	0.02	$	0.05