STOCKHOLDERS' EQUITY Stockholders' Equity (Tables)

9 Months Ended

Apr. 30, 2019

Equity [Abstract]

Schedule of Stockholders Equity [Table Text Block]

The following tables reflect the changes in stockholders' equity for the three months ended April 30, 2019 and 2018 (in thousands):

	Number of Shares	Common Stock		Additional Paid-in Capital		Accumulated Deficit			Accumulated Other Comprehensive Income			Total Stockholders' Equity
Balance at January 31, 2019	61,797,807	$	618	$	7,468,628	$	(7,377,622	)	$	2,913		$	94,537
Net loss	—	—		—		(9,627		)	—			(9,627		)
Equity portion of convertible note	—	—		8,200		—			—			8,200
Preferred dividends	—	—		—		(525		)	—			(525		)
Issuance of common stock pursuant to employee stock purchase plan and stock option exercises	4,389	—		2		—			—			2
Share-based compensation	—	—		404		—			—			404
Other comprehensive items	—	—		—		—			(605		)	(605		)
Balance at April 30, 2019	61,802,196	$	618	$	7,477,234	$	(7,387,774	)	$	2,308		$	92,386

	Number of Shares	Common Stock		Additional Paid-in Capital			Accumulated Deficit			Accumulated Other Comprehensive Income			Total Stockholders' Equity
Balance at January 31, 2018	60,205,946	$	603	$	7,464,451		$	(7,344,638	)	$	8,281		$	128,697
Net loss	—	—		—			(10,333		)	—			(10,333		)
Preferred dividends	—	—		—			(529		)	—			(529		)
Issuance of common stock pursuant to employee stock purchase plan and stock option exercises	4,258	—		—			—			—			—
Restricted stock grants	528,896	5		(5		)	—			—			—
Share-based compensation	—	—		2,260			—			—			2,260
Other comprehensive items	—	—		—			—			(1,437		)	(1,437		)
Balance at April 30, 2018	60,739,100	$	608	$	7,466,706		$	(7,355,500	)	$	6,844		$	118,658