General (Details) - USD ($) $ in Thousands |
Mar. 31, 2018 |
Dec. 31, 2017 |
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| Revenue, Initial Application Period Cumulative Effect Transition [Line Items] | ||
| Accounts receivable | $ 2,347 | $ 583 |
| Difference between Revenue Guidance in Effect before and after Topic 606 | ASU 2014-09 | ||
| Revenue, Initial Application Period Cumulative Effect Transition [Line Items] | ||
| Accounts receivable | $ 2,000 |
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- Definition [Line Items] for Revenue, Initial Application Period Cumulative Effect Transition [Table] No definition available.
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- Definition Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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