v2.4.1.9

Quarterly Financial Data (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Quarterly Financial Data [Line Items]
Net sales	$ 22,326us-gaap_SalesRevenueNet	$ 34,821us-gaap_SalesRevenueNet	$ 36,797us-gaap_SalesRevenueNet	$ 24,855us-gaap_SalesRevenueNet	$ 19,875us-gaap_SalesRevenueNet	$ 33,101us-gaap_SalesRevenueNet	$ 35,565us-gaap_SalesRevenueNet	$ 25,397us-gaap_SalesRevenueNet	$ 118,799us-gaap_SalesRevenueNet	$ 113,938us-gaap_SalesRevenueNet	$ 113,521us-gaap_SalesRevenueNet
Gross profit	3,318us-gaap_GrossProfit	6,610us-gaap_GrossProfit	6,970us-gaap_GrossProfit	4,215us-gaap_GrossProfit	2,703us-gaap_GrossProfit	6,099us-gaap_GrossProfit	7,138us-gaap_GrossProfit	4,202us-gaap_GrossProfit	21,113us-gaap_GrossProfit	20,142us-gaap_GrossProfit	17,302us-gaap_GrossProfit
Net earnings (loss)	$ (1,154)us-gaap_NetIncomeLoss	$ 582us-gaap_NetIncomeLoss	$ 787us-gaap_NetIncomeLoss	$ (738)us-gaap_NetIncomeLoss	$ (1,282)us-gaap_NetIncomeLoss	$ 487us-gaap_NetIncomeLoss	$ 1,097us-gaap_NetIncomeLoss	$ (939)us-gaap_NetIncomeLoss	$ (523)us-gaap_NetIncomeLoss	$ (637)us-gaap_NetIncomeLoss	$ (2,014)us-gaap_NetIncomeLoss
Net earnings (loss) per share - diluted	$ (0.23)us-gaap_EarningsPerShareDiluted	$ 0.12us-gaap_EarningsPerShareDiluted	$ 0.16us-gaap_EarningsPerShareDiluted	$ (0.15)us-gaap_EarningsPerShareDiluted	$ (0.27)us-gaap_EarningsPerShareDiluted	$ 0.10us-gaap_EarningsPerShareDiluted	$ 0.23us-gaap_EarningsPerShareDiluted	$ (0.20)us-gaap_EarningsPerShareDiluted	$ (0.11)us-gaap_EarningsPerShareDiluted	$ (0.14)us-gaap_EarningsPerShareDiluted	$ (0.44)us-gaap_EarningsPerShareDiluted

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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.

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Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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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.

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