EARNINGS PER SHARE (Details) - USD ($)	3 Months Ended
Jul. 31, 2017	Jul. 31, 2016
EARNINGS PER SHARE
Net earnings (loss)	$ (193,000)	$ 125,000
Amounts allocated to participating securities (nonvested restricted shares)		(8,000)
Net income attributable to common shareholders	$ (193,000)	$ 117,000
Basic weighted average common shares	5,265,750	5,265,750
Earnings per share attributable to common shareholders:
Basic earnings (loss) per share	$ (0.04)	$ 0.02

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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No definition available.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

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Amount of undistributed earnings (loss) allocated to participating securities for the basic earnings (loss) per share or per unit calculation under the two-class method.

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

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