Earnings Per Share (Details) - USD ($)	3 Months Ended		9 Months Ended
	Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2024	Apr. 30, 2023
Earnings Per Share [Abstract]
Reduction in weighted average shares as a result of the repurchase of common shares (in shares)	0	0	0	0
Weighted average performance shares outstanding during the period that are excluded from EPS calculation	469,000	429,000	624,000	384,000
Numerator:
Net income (loss)	$ 2,795,000	$ (7,458,000)	$ (9,200,000)	$ (23,359,000)
Loss on extinguishment of convertible preferred stock	0	0	13,640,000	0
Convertible preferred stock issuance costs	76,000	0	4,349,000	0
Dividend on convertible preferred stock	(3,759,000)	(1,766,000)	(7,643,000)	(5,213,000)
Numerator for diluted calculation	$ (1,040,000)	$ (9,224,000)	$ (34,832,000)	$ (28,572,000)
Denominator:
Denominator for basic calculation (in shares)	28,854,000	28,071,000	28,753,000	27,950,000
Denominator for diluted calculation (in shares)	28,854,000	28,071,000	28,753,000	27,950,000
Stock-based Awards
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive equity-classified stock-based awards not included in calculation of diluted earnings per share (in shares)	930,000	956,000	1,067,000	1,001,000
Common Shares Related to Business Acquisition
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive equity-classified stock-based awards not included in calculation of diluted earnings per share (in shares)	67,000	228,000	131,000	293,000
Common Shares Related to Conversion of Convertible Preferred Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive equity-classified stock-based awards not included in calculation of diluted earnings per share (in shares)	21,308,000	4,606,000	10,902,000	4,533,000