Business Segment Information (Tables)

3 Months Ended

Oct. 31, 2017

Business Segment Information [Abstract]

Summary of operating results for the business segments

	Straight			Straight
	Path			Path
	Spectrum			Ventures			Total
	(in thousands)
Three Months Ended October 31, 2017
Revenues	$	165		$	-		$	165
Loss from operations		(12,739	)		(491	)		(13,230	)
Three Months Ended October 31, 2016
Revenues	$	159		$	-		$	159
Loss from operations		(2,986	)		(417	)		(3,403	)

Summary of total assets for the business segments

	Straight		Straight
	Path		Path
	Spectrum		Ventures		Total
	(in thousands)
October 31, 2017	$	8,997	$	1,100	$	10,097
July 31, 2017		8.740		1,100		9,840