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Loss per Share - Loss per Basic and Diluted Weighted Average Common Share Outstanding for Continuing and Discontinued Operations (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Earnings Per Share [Abstract]
Loss from continuing operations	$ (2,101)us-gaap_IncomeLossFromContinuingOperations	$ (1,211)us-gaap_IncomeLossFromContinuingOperations
Loss from discontinued operations		(10,893)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax
Net loss	$ (2,101)us-gaap_NetIncomeLoss	$ (12,104)us-gaap_NetIncomeLoss
Basic weighted-average common shares outstanding	9,553us-gaap_WeightedAverageNumberOfSharesOutstandingBasic	9,508us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Effect of potentially dilutive common shares	0us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment	0us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment
Diluted weighted-average common shares outstanding	9,553us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding	9,508us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
Loss per basic common share
Continuing operations	$ (0.22)us-gaap_IncomeLossFromContinuingOperationsPerBasicShare	$ (0.13)us-gaap_IncomeLossFromContinuingOperationsPerBasicShare
Discontinued operations		$ (1.14)us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare
Total	$ (0.22)us-gaap_EarningsPerShareBasic	$ (1.27)us-gaap_EarningsPerShareBasic
Loss per diluted common share
Continuing operations	$ (0.22)us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare	$ (0.13)us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare
Discontinued operations		$ (1.14)us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare
Total	$ (0.22)us-gaap_EarningsPerShareDiluted	$ (1.27)us-gaap_EarningsPerShareDiluted

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Per basic share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation.

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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Amount of income (loss) from continuing operations attributable to the parent. Also defined as revenue less expenses and taxes from ongoing operations before extraordinary items but after deduction of those portions of income or loss from continuing operations that are allocable to noncontrolling interests.

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