Earnings (Loss) Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Income (Loss) [Abstract]
Net income (loss)	$ 934	$ 747	$ (905)	$ 1,986
Less: preferred stock dividends	(100)	(100)	(299)	(299)
Net income (loss) applicable to common shareholders	$ 834	$ 647	$ (1,204)	$ 1,687
Weighted Average Shares [Abstract]
Weighted average shares outstanding (in shares)	20,420	20,440	20,314	20,428
Per Share Amount [Abstract]
Net income (loss) applicable to common shareholders (in dollars per share)	$ 0.04	$ 0.03	$ (0.06)	$ 0.08

The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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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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Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.

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The amount of preferred stock dividends that is an adjustment to net income apportioned to common stockholders.

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Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS).

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