Geographic Regions (Tables)

12 Months Ended

Sep. 30, 2018

Segments, Geographical Areas [Abstract]

Schedule of Revenues, Operating Income (Loss) and Identifiable Assets by Geographic Region

operations in the Netherlands, United States, France and China. Revenues, operating income (loss) and identifiable assets by geographic region are as follows (in thousands):

	Years Ended September 30,
	2018			2017			2016
Net revenue:
The Netherlands	$	76,373		$	81,443		$	52,189
United States	72,753			60,952			44,299
France	6,129			5,588			8,758
China	17,634			12,673			11,799
Other	3,537			3,860			3,263
	$	176,426		$	164,516		$	120,308
Operating income (loss):
The Netherlands	$	(5,269	)	$	5,206		$	(7,773	)
United States	3,871			1,527			(1,396		)
France	(3,058		)	(1,000		)	(783		)
China	5,445			3,647			1,530
Other	930			1,045			514
	$	1,919		$	10,425		$	(7,908	)
				As of September 30,
				2018			2017
Net property, plant and equipment:
The Netherlands				$	5,943		$	5,190
United States				10,039			9,924
France				177			289
China				293			389
				$	16,452		$	15,792