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Selected Balance Sheet Data - Changes in Allowance for Doubtful Accounts (Detail) (USD $)
In Thousands, unless otherwise specified |
9 Months Ended | |
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Sep. 30, 2014
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Sep. 30, 2013
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| Organization, Consolidation and Presentation of Financial Statements [Abstract] | ||
| Balance at beginning of period | $ (99) | $ (129) |
| Provision for bad debt expense | 37 | 29 |
| Balance at end of period | $ (62) | $ (100) |
| X | ||||||||||
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- Definition
A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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- Definition
Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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