5. Shareholders' equity (Tables)

3 Months Ended

Mar. 31, 2015

Stockholders' Equity Note [Abstract]

Schedule of Stockholders Equity [Table Text Block]

Balance at December 31, 2014	$	25,394
Net income		144
Share-based compensation expense		142
Issuance of deferred stock units, net of relinquishments		121
Foreign currency translation adjustment		(9)
Dividends declared and paid on common stock		(623)
Purchase of common stock for treasury		(1,020)
Balance at March 31, 2015	$	24,149