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Stock Options and Stock-based Compensation	3 Months Ended
	Jul. 31, 2023
Equity [Abstract]
Stock Options and Stock-based Compensation	Stock Options and Stock-based Compensation The Company recognizes compensation costs related to stock options and other stock awards granted by the Company as operating expenses over their vesting period. In June 2023, the Company granted 87,220 RSUs under the 2017 Omnibus Incentive Plan ("2017 Plan"). These RSUs include both a service and a performance component, vesting over a three-year period. The recognized expense is based upon the vesting period for service criteria and estimated attainment of the performance criteria at the end of the three-year period, based on the ratio of cumulative days of service to total days over the three-year period. The Company recorded stock-based compensation expense during the three months ended July 31, 2023 of $173,000 with the remaining estimated stock-based compensation expense of $2,032,000 to be recorded over the remaining vesting periods. The Company recorded stock-based compensation expense during the three months ended July 31, 2022 of $131,000. Directors' fees paid with shares of common stock in lieu of cash in accordance with Director compensation guidelines were $10,000 and $41,000 for the three month periods ended July 31, 2023 and July 31, 2022, respectively, and were also included in the stock-based compensation on the Condensed Consolidated Statements of Cash Flows.

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- Definition

The entire disclosure for shareholders' equity and share-based payment arrangement. Includes, but is not limited to, disclosure of policy and terms of share-based payment arrangement, deferred compensation arrangement, and employee stock purchase plan (ESPP).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-URI https://asc.fasb.org/topic&trid=2208762

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-URI https://asc.fasb.org/topic&trid=2228938

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