Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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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).

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Note 11 - Stock Compensation (Details Textual) - USD ($)					1 Months Ended	12 Months Ended
	Nov. 16, 2011	Nov. 17, 2010	Dec. 21, 2008	Nov. 21, 2006	Nov. 30, 2006	Dec. 31, 2019	Dec. 31, 2018	May 31, 2018	Dec. 31, 2017
Management Recognition Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized								333,753
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period					5 years
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period						2,520	5,250
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period						3,135	2,190
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number, Ending Balance						2,445	3,060
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total						$ 30,944	$ 40,361
Share-based Payment Arrangement, Expense						$ 44,067	$ 29,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross						0
Management Recognition Plan [Member] \| Share-based Payment Arrangement, Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized								30,000
Recognition and Retention Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period						5 years
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	13,083	8,722	5,451	92,666		0	0
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price	$ 4.25	$ 6	$ 9.90	$ 12.35		$ 0	$ 0
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term						10 years