Net Income (Loss) per Share of Common Stock (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
Mar. 31, 2018	Mar. 31, 2017
Numerator for earnings per share:
Net loss that is available to common shareholders	$ (2,961)	$ (6,570)
Denominator for basic earnings per share:
Weighted average shares outstanding	22,086,640	21,938,735
Denominator for diluted earnings per share:
Effect of stock options and restricted stock units	0	0
Adjusted weighted average shares and assumed conversions	22,086,640	21,938,735
Basic loss per share	$ (0.13)	$ (0.30)
Diluted loss per share	$ (0.13)	$ (0.30)
Net loss position (excluded from denominator)
Shares excluded from diluted earnings (loss) per share due to:
Shares excluded from diluted loss per share due to:	79,951	153,750
Inclusion would have been anti-dilutive (excluded from calculation)
Shares excluded from diluted earnings (loss) per share due to:
Shares excluded from diluted loss per share due to:	1,006,899	615,587

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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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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