Short-Term and Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2012

Debt Disclosure [Abstract]

Schedule of Short-term Debt [Table Text Block]

Short-term debt consisted of the following:

	December 31,
	2012		2011
Current portion of long-term debt	$	6,992	$	5,837

Schedule of Long-term Debt Instruments [Table Text Block]

Long-term debt consisted of the following:

	December 31,
	2012		2011
Revolving credit facility
Prime rate borrowings	$	9,200	$	—
LIBOR borrowings	15,000		20,000
	24,200		20,000
Senior unsecured notes	30,000		30,000
Term loans	7,579		6,973
	61,779		56,973
Less current portion	6,992		5,837
	$	54,787	$	51,136