Accrued Expenses (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Accrued taxes and withholdings	$ 445us-gaap_InterestPayableCurrent	$ 211us-gaap_InterestPayableCurrent
Accrued warranty reserve	46	98
Accrued wages	2,064us-gaap_AccruedSalariesCurrent	57us-gaap_AccruedSalariesCurrent
Other accrued expenses	623us-gaap_OtherAccruedLiabilitiesCurrent	120us-gaap_OtherAccruedLiabilitiesCurrent
Total	$ 3,178us-gaap_AccruedLiabilitiesCurrent	$ 486us-gaap_AccruedLiabilitiesCurrent

Carrying value as of the balance sheet date of the obligations incurred through that date and payable for employees' services provided. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable arising from transactions not otherwise specified in the taxonomy. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers. For classified balance sheets, represents the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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