Commitments and Contingencies - Minimum Lease Payments (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014
Operating Leases
2015	$ 326
2016	295
2017	139
2018
Thereafter
Total minimum lease payments	760
Capital Leases
2015	572
2016	173
2017
2018
Thereafter
Total minimum lease payments	$ 745

Amount of minimum lease payments for capital leases.

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-Name Accounting Standards Codification

-Topic 840

-SubTopic 30

-Section 50

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Amount of minimum lease payments maturing in the next fiscal year following the latest fiscal year for capital leases.

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Amount of minimum lease payments maturing in the forth fiscal year following the latest fiscal year for capital leases.

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Amount of minimum lease payments maturing in the third fiscal year following the latest fiscal year for capital leases.

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Amount of minimum lease payments maturing in the second fiscal year following the latest fiscal year for capital leases.

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Amount of minimum lease payments maturing after the fifth fiscal year following the latest fiscal year for capital leases.

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Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 10

-Section 55

-Paragraph 40

-Subparagraph (Note 3)

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