Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Apr. 30, 2020	Jul. 31, 2019
Convertible note payable, current, net	$ 376	$ 547
Note payable, current, net	0	0
Note payable, current, related party, net	0	7
Convertible debenture, net	0	29
Notes payable, related party, net	12	17
Notes payable	$ 0	$ 0
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	150,000,000	150,000,000
Common stock, shares issued	84,844,144	23,740,406
Common stock, shares outstanding	84,844,144	23,740,406
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	50,000,000	50,000,000
Treasury Stock , shares	6,000,000	6,000,000
Series A Preferred Stock
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares issued	225,000	225,000
Preferred stock, shares outstanding	225,000	225,000
Series B Convertible Preferred Stock [Member]
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares issued	424,165	0
Preferred stock, shares outstanding	424,165	0