5. Earnings per share (Tables)

3 Months Ended

Mar. 31, 2014

Earnings Per Share [Abstract]

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

	Three months ended
	March 31,
	2014		2013
	(In thousands, except per share data)
Net income	$	394	$	1,160
Shares:
Basic:  Weighted average common shares outstanding		8,373		8,717
Add:  Dilutive effect of outstanding options as determined by the treasury stock method		180		92
Diluted:  Weighted average common and common equivalent shares outstanding		8,553		8,809
Net income per common share:
Basic	$	0.05	$	0.13
Diluted	$	0.05	$	0.13