6. Shareholders' equity (Tables)

6 Months Ended

Jun. 30, 2014

Stockholders' Equity Note [Abstract]

Schedule of Stockholders Equity [Table Text Block]

Balance at December 31, 2013	$	32,521
Net income		569
Share-based compensation expense		309
Issuance of deferred stock units, net of relinquishments		56
Foreign currency translation adjustment		5
Dividends declared and paid on common stock		(1,248)
Balance at June 30, 2014	$	32,212