Property, plant, and equipment

12 Months Ended

Jul. 31, 2016

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment Disclosure [Text Block]

Note 5 - Property, plant, and equipment

At July 31, 2016 and 2015 property, plant, and equipment consist of:

	2016			2015
Building and building improvements	$	4,915		$	4,854
Machinery and equipment (includes asset under capital lease - see Note 9)		7,479			7,397
Office furniture and computer equipment		19,765			18,289
Leasehold improvements		5,172			4,958
		37,331			35,498
Accumulated depreciation and amortization		(29,829	)		(28,262	)
		7,502			7,236
Land and land improvements		712			712
	$	8,214		$	7,948