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Note D - Goodwill and Other Intangibles (Details Textual) - USD ($)	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Industrial [Member] | UNITED STATES
Fair Value Inputs, Discount Rate	13.10%
Goodwill, Impairment Loss	$ 6,391,000
Industrial [Member] | Europe [Member]
Goodwill, Impairment Loss	$ 0
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount	31.00%
Marine and Propulsion Systems [Member] | Europe [Member]
Goodwill, Impairment Loss	$ 1,211,000
Goodwill, Impairment Loss	$ 7,602,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	14 years
Amortization of Intangible Assets	$ 165,000	239,000	$ 477,000
Indefinite-Lived Intangible Assets (Excluding Goodwill)	$ 201,000	$ 213,000

X

- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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-Publisher FASB
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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

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Percentage of fair value of reporting unit in excess of carrying amount.

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