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Share Based Compensation (Details Textual) - USD ($) $ in Thousands		1 Months Ended	3 Months Ended
	Feb. 05, 2013	Apr. 30, 2017	Mar. 31, 2018
Share Based Compensation (Textual)
Shares available for grants of awards
Total intrinsic value			$ 60
Option exercised shares			5,750
Cash received from exercised options			$ 40
2008 Stock Incentive Plan [Member]
Share Based Compensation (Textual)
SAR and common restricted stock, shares			250,000
Option awards vesting period			5 years
Option awards contractual terms			10 years
2017 Stock Incentive Plan [Member]
Share Based Compensation (Textual)
SAR and common restricted stock, shares			500,000
Shares available for grants of awards		500,000	17,268
Restricted Stock [Member]
Share Based Compensation (Textual)
Option awards vesting period	4 years
Compensation cost charged against income			$ 80
Total income tax benefit recognized in income statement for share-based compensation arrangements			$ 30
Weighted-average period term			1 year 10 months 25 days
Total unrecognized compensation cost related to non-vested share-based compensation arrangements granted under plan			$ 700

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- Definition

Maximum common shares granted for incentive stock options, nonqualified stock options, stock appreciation rights and restricted stock.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

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-Name Accounting Standards Codification
-Topic 718
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Unrecognized cost of unvested options awarded to employees as compensation.

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The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.

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Remaining weighted average contract period of financial guarantee insurance contracts, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of cash inflow from exercise of stock options granted under share-based compensation arrangement.

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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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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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Gross number of share options (or share units) granted during the period.

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Weighted average remaining contractual term for fully vested and expected to vest options outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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