Debt (Tables)

12 Months Ended

Dec. 31, 2013

Debt [Abstract]

Schedule of Debt [Table Text Block]

		December 31,
		2013		2012
Industrial development authority monthly 5.60% fixed rate demand bond maturing 2018	$	5,000	$	5,000
Industrial development authority monthly 5.26% fixed rate demand bond maturing 2028		10,000		10,000
Credit facilities (1.66% weighted average borrowing rate at December 31, 2013)		0		12,200
Ohio Department of Development term loan (see below)		2,428		2,754
Other debt obligations (including capital leases)		1,288		1,514
		18,716		31,468
Short-term debt		(945)		(867)
Current portion of long-term debt		(450)		(601)
	$	17,321	$	30,000

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

2014	$	1,395
2015		418
2016		393
2017		396
2018		5,344
2019 and beyond	$	10,770