Computation of Diluted Loss Per Share with Exclusion of Antidilutive Securities (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Numerator:
Net loss	$ (475)us-gaap_NetIncomeLoss	$ (738)us-gaap_NetIncomeLoss
Denominator:
Weighted average shares outstanding	4,949	4,815
Dilutive effect of stock options and unvested restricted shares	0	0
Denominator for diluted net loss per share	4,949	4,815

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

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-Name Accounting Standards Codification

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- Definition

The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.

+ References

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- Definition

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.

+ References

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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