CONSOLIDATED BALANCE SHEETS (Parentheticals) - USD ($) $ in Thousands	Jan. 31, 2021	Jul. 31, 2020
Statement of Financial Position [Abstract]
Other, including restricted cash (in Dollars)	$ 750	$ 750
Preferred stock par value (in Dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	25,000,000	25,000,000
Preferred stock, shares issued
Preferred stock, shares outstanding
Common stock, par value (in Dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	75,000,000	75,000,000
Common stock, shares issued	48,227,750	47,895,050
Common stock, shares outstanding	48,227,750	47,895,050