7. Shareholders' equity (Tables)

6 Months Ended

Jun. 30, 2012

Schedule of Stockholders Equity [Table Text Block]

Balance at December 31, 2011	$	35,313
Net income		1,716
Share-based compensation expense		284
Proceeds from issuance of shares from exercise of stock options		145
Issuance of deferred stock units		134
Tax benefit related to employee stock sales and vesting of restricted stock		42
Foreign currency translation adjustment		3
Purchases of common stock for treasury		(5,151	)
Balance at June 30, 2012	$	32,486