10. Borrowing Arrangements (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Line of Credit Facilities [Table Text Block]

	December 31,
	2012					2011
			Weighted					Weighted
			Average					Average
	Amount		Rate			Amount		Rate
Short-term portion of borrowings	$	2,000		0.67	%	$	5,000		2.08	%
Long-term borrowings		16,000		1.81	%		14,000		1.80	%
	$	18,000		1.68	%	$	19,000		1.88	%

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

Year Ending
December 31,
2013	$	2,000,000
2014		8,000,000
2015		2,000,000
2016		2,000,000
2017		2,000,000
Thereafter		2,000,000
	$	18,000,000