Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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- Definition

The maximum awards to each employee under the plan per period.

+ References

No definition available.

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The percentage of the participant's base salary that is used to determine the share-based compensation.

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Note 10 - Equity Plans (Details Textual) - USD ($)		9 Months Ended
Note 10 - Equity Plans (Details Textual) - USD ($)	Jul. 01, 2016	Sep. 30, 2018	Sep. 30, 2017
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period		84,283
Restricted Stock Units (RSUs) [Member] \| Senior Management Stock Incentive Program [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Participant's Base Salary	10.00%
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Amount Per Employee	$ 17,500
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	5 years
Restricted Stock Units (RSUs) [Member] \| Non-Employee Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period		80,000	70,000
Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant		1,000,000