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Net Loss Per Common Share - Schedule of Basic and Diluted Weighted Average Common Shares (Detail) - shares shares in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Earnings Per Share [Line Items]
Basic weighted average common shares outstanding	18,363	18,036
Diluted weighted average common shares outstanding	18,363	18,036
Options And Restricted Stock Units [Member]
Earnings Per Share [Line Items]
Options and restricted stock units excluded from diluted weighted average share calculation as effect would have been anti-dilutive	703	1,059

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Earnings per share.

+ References

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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.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
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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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