Property, Plant and Equipment (Tables)

3 Months Ended

Mar. 31, 2018

Property, Plant and Equipment [Abstract]

Schedule of property, plant and equipment

	March 31,			December 31,
	2018			2017
	($000's ommitted)
Land	$	7		$	7
Buildings		10,293			10,288
Machinery, equipment and tooling		17,373			17,249
Construction in progress		1,030			665
		28,703			28,209
Less accumulated depreciation		(17,416	)		(17,188	)
	$	11,287		$	11,021