CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Jul. 31, 2023	Jul. 31, 2022
Accounts receivable, trade, allowance for doubtful accounts	$ 219	$ 44
Preferred stock, par value (in usd per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	4,965,000	4,965,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in usd per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	1,400,000,000	1,400,000,000
Common stock, shares issued (in shares)	6,250,493	6,485,309
Common stock, shares outstanding (in shares)	6,250,493	6,485,309
Other intangible assets, net	$ 34,589	$ 0
Series C Contingently Redeemable Preferred Stock
Preferred stock, par value (in usd per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	35,000	35,000
Preferred stock, shares issued (in shares)	35,000	35,000
Preferred stock, shares outstanding (in shares)	35,000	35,000
Series E Contingently Redeemable Preferred Stock
Preferred stock, par value (in usd per share)	$ 0.01
Preferred stock, shares authorized (in shares)	3,500,000
Preferred stock, shares issued (in shares)	3,500,000
Preferred stock, shares outstanding (in shares)	3,500,000