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Stock Options and Share-based Compensation	9 Months Ended
	Jan. 31, 2019
Equity [Abstract]
Stock Options and Share-based Compensation	Stock Options and Share-based Compensation The Company adopted ASU 2016-9, “Stock Compensation – Improvements to Employee Share-Based Payment Accounting” prospectively effective May 1, 2017. Prior periods were not retrospectively adjusted. The Company elected prospectively to account for forfeitures as they occur rather than apply an estimated rate to share-based compensation expense. Compensation costs related to stock options and other stock awards granted by the Company are charged against operating expenses during their vesting period, under ASC 718, “Compensation – Stock Compensation.” The Company granted 17,769 restricted stock units (“RSUs”) under the 2017 Omnibus Incentive Plan in June 2018. The 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 incurred, to total days over the three year period. The Company recorded share-based compensation expense during the three and nine months ended January 31, 2019 of $45,000 and $106,000, respectively, for this issuance with the remaining estimated share-based compensation expense of $406,000 to be recorded over the remaining three year period.

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- Definition

The entire disclosure for accounts comprising shareholders' equity, comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income, and compensation-related costs for equity-based compensation. Includes, but is not limited to, disclosure of policies, compensation plan details, equity-based arrangements to obtain goods and services, deferred compensation arrangements, and employee stock purchase plan details.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-URI http://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 http://asc.fasb.org/topic&trid=2228938

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