Note 5. Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2012

Schedule of Net Benefit Costs [Table Text Block]

	Three Months Ended June 30,						Six Months Ended June 30,
	2012			2011			2012			2011
Service cost	$	130		$	96		$	260		$	192
Interest cost		88			81			176			162
Expected return on plan assets		(87	)		(70	)		(174	)		(140	)
Actuarial loss		41			5			82			10
Amortization of prior service cost		(2	)		(6	)		(4	)		(12	)
	$	170		$	106		$	340		$	212