Earnings Per Common Share - Components of Earnings per Common Share (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Earnings Per Share [Abstract]
Net loss available to common shareholders	$ (1,479)	$ (6,225)	$ (1,928)	$ (4,545)
Dividends on Series C preferred stock	0	0	0	0
Adjusted net loss available to common shareholders	$ (1,479)	$ (6,225)	$ (1,928)	$ (4,545)
Weighted average number of common shares outstanding used in computation of basic earnings per common share (in shares)	16,526	12,227	16,511	11,749
Effect of dilutive securities:
Stock options	3	10	3	13
Restricted stock	0	0	0	0
Weighted average number of common shares outstanding plus effect of dilutive securities - used in computation of diluted earnings per common share (in shares)	16,529	12,237	16,514	11,762

Incremental Common Shares Attributable To Conversion of Restricted Stock

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Incremental Common Shares Attributable To Conversion of Stock Options

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Net income available to common shareholders for purposes of computing diluted EPS.

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The after-tax amount of any dividends on convertible preferred stock.

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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 average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

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