Industry Segments And Financial Information About Foreign And Domestic Operations (Tables)

12 Months Ended

Sep. 30, 2016

Industry Segments And Financial Information About Foreign And Domestic Operations [Abstract]

Schedule Of Operations By Geographic Area

	Net Revenues to External Customers for									Long-Lived Asset As Of
	the Year Ended September 30,									September 30,
	2016			2015			2014			2016		2015
Brazil	$	6,008	(1)	$	14,841	(1)	$	*		$	-	$	-
Zimbabwe		3,305	(1)		2,696			2,064			-		-
United States		2,464	(1)		2,029			2,381			7,963		123
South Africa		1,117			2,331			2,928	(1)		-		-
Angola		*			*			2,477	(1)		-		-
DR of Congo		*			*			2,185			-		-
Tanzania		*			*			1,936			-		-
Malaysia		*			*			*			796		1,134
United Kingdom		*			*			*			93		120
Other		9,233			10,708			10,520			-		-
Total	$	22,127		$	32,605		$	24,491		$	8,852	$	1,377

*  Less than 5 percent of total net revenues.

(1)Exceeds 10 percent of total net revenues.