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Quarterly Financial Information - Quarterly Results of Operations (Detail) (USD $)
In Thousands, except Per Share data, unless otherwise specified |
3 Months Ended | 12 Months Ended | |||||||||
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Dec. 31, 2014
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Sep. 30, 2014
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Jun. 30, 2014
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Mar. 31, 2014
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Dec. 31, 2013
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Sep. 30, 2013
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Jun. 30, 2013
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Mar. 31, 2013
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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| Selected Quarterly Financial Information [Abstract] | |||||||||||
| Net sales | $ 96,179us-gaap_SalesRevenueNet | $ 102,100us-gaap_SalesRevenueNet | $ 99,981us-gaap_SalesRevenueNet | $ 89,925us-gaap_SalesRevenueNet | $ 98,543us-gaap_SalesRevenueNet | $ 100,828us-gaap_SalesRevenueNet | $ 111,716us-gaap_SalesRevenueNet | $ 98,689us-gaap_SalesRevenueNet | |||
| Gross profit | 29,848us-gaap_GrossProfit | 32,455us-gaap_GrossProfit | 31,197us-gaap_GrossProfit | 27,448us-gaap_GrossProfit | 30,393us-gaap_GrossProfit | 31,660us-gaap_GrossProfit | 37,549us-gaap_GrossProfit | 31,299us-gaap_GrossProfit | 120,948us-gaap_GrossProfit | 130,901us-gaap_GrossProfit | 144,438us-gaap_GrossProfit |
| Income before income taxes | 4,373us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest | 5,294us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest | 7,606us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest | 4,137us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest | 5,653us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest | 8,544us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest | 10,680us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest | 6,917us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest | 21,410us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest | 31,794us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest | 44,827us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest |
| Net income | $ 2,488us-gaap_ProfitLoss | $ 2,555us-gaap_ProfitLoss | $ 5,080us-gaap_ProfitLoss | $ 2,738us-gaap_ProfitLoss | $ 3,132us-gaap_ProfitLoss | $ 6,104us-gaap_ProfitLoss | $ 6,386us-gaap_ProfitLoss | $ 4,965us-gaap_ProfitLoss | $ 12,861us-gaap_ProfitLoss | $ 20,587us-gaap_ProfitLoss | $ 29,286us-gaap_ProfitLoss |
| Net income, basic | $ 0.46us-gaap_EarningsPerShareBasic | $ 0.48us-gaap_EarningsPerShareBasic | $ 0.94us-gaap_EarningsPerShareBasic | $ 0.51us-gaap_EarningsPerShareBasic | $ 0.59us-gaap_EarningsPerShareBasic | $ 1.14us-gaap_EarningsPerShareBasic | $ 1.19us-gaap_EarningsPerShareBasic | $ 0.92us-gaap_EarningsPerShareBasic | $ 2.39us-gaap_EarningsPerShareBasic | $ 3.84us-gaap_EarningsPerShareBasic | $ 5.50us-gaap_EarningsPerShareBasic |
| Net income, diluted | $ 0.46us-gaap_EarningsPerShareDiluted | $ 0.48us-gaap_EarningsPerShareDiluted | $ 0.94us-gaap_EarningsPerShareDiluted | $ 0.50us-gaap_EarningsPerShareDiluted | $ 0.58us-gaap_EarningsPerShareDiluted | $ 1.12us-gaap_EarningsPerShareDiluted | $ 1.17us-gaap_EarningsPerShareDiluted | $ 0.91us-gaap_EarningsPerShareDiluted | $ 2.39us-gaap_EarningsPerShareDiluted | $ 3.77us-gaap_EarningsPerShareDiluted | $ 5.45us-gaap_EarningsPerShareDiluted |
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- Definition
The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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