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Share-Based Compensation (Details Narrative) - USD ($)		1 Months Ended	3 Months Ended
Share-Based Compensation (Details Narrative) - USD ($)	Feb. 09, 2022	Feb. 29, 2024	Jul. 31, 2024	Jul. 31, 2023	Apr. 30, 2023	Jan. 18, 2018	Dec. 31, 2015
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share-based compensation arrangement shares authorized increase		2,900,000
Unrecognized compensation cost related to non-vested stock			$ 99,000
Share-based compensation of weighted-average period			1 year 2 months 12 days
Share-Based Payment Arrangement, Option [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Options, outstanding, intrinsic value			$ 0
Options unvested			210,000
Weighted average remaining contractual term			8 years 2 months 12 days
Share-based payment arrangement, expense			$ 19,000	$ 79,000
Employee Stock Option One [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Options, outstanding, intrinsic value			0
Performance Shares [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Options unvested					66,667
Share-based payment arrangement, expense			0	43,000
Restricted Stock [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share-based payment arrangement, expense			$ 240,000	$ 280,000
Share-based compensation of weighted-average period			1 year 3 months 18 days
Number of restricted shares, granted			0	52,500
Unrecognized compensation cost			$ 959,000
2015 Omnibus Incentive Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share-based compensation arrangement shares authorized			7,282,036				1,332,036
2018 Inducement Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share-based compensation arrangement shares authorized	250,000
Share-based compensation arrangement shares authorized increase	275,000
Capital shares reserved for future issuance						25,000