Property, plant, and equipment

12 Months Ended

Jul. 31, 2019

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment Disclosure [Text Block]

Note 6 - Property, plant, and equipment

At July 31, 2019 and 2018 property, plant, and equipment consist of:

	2019			2018
Building and building improvements	$	10,334		$	4,917
Machinery and equipment (includes assets under capital lease - see Note 9)		8,538			7,570
Office furniture and computer equipment		16,229			15,362
Leasehold improvements		5,270			5,262
		40,371			33,111
Accumulated depreciation and amortization		(28,179	)		(26,187	)
		12,192			6,924
Land and land improvements		2,062			712
	$	14,254		$	7,636