Consolidated Financial Statement Detail - Additional Information 4 (Details) - USD ($) |
Dec. 31, 2016 |
Dec. 31, 2015 |
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| Receivables [Abstract] | ||
| Allowance for doubtful accounts | $ 13,000 | $ 200,000 |
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- Definition For an unclassified balance sheet, a valuation allowance for receivables due a company that are expected to be uncollectible. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- References No definition available.
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