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Revenue Recognition Contract Assets and Liabilities (Tables) | 6 Months Ended
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Jun. 30, 2018
Contract Assets and Liabilities [Abstract] |
Contract with Customer, Asset and Liability [Table Text Block] | Contract assets and liabilities included in our Condensed Consolidated Balance Sheets are as follows:
| As of
| June 30, |  | December 31,
| 2018 |  | 2017
Contract Assets |  |  |
Prepaid rebates included in Other current assets | $ | 64 |  |  | $ | 52 |
Prepaid rebates included in Other assets | 482 |  |  | 465 |
Total Contract Assets | $ | 546 |  |  | $ | 517 |
Contract Liabilities |  |  |
Customer discounts and price concessions included in Accrued liabilities | $ | (2,323 | ) |  | $ | (1,133 | )
Customer rights of return included in Accrued liabilities | (341 | ) |  | (462 | )
Total Contract Liabilities | $ | (2,664 | ) |  | $ | (1,595 | )

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- Definition Contract Assets and Liabilities [Abstract] + References No definition available. + Details
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- Definition Tabular disclosure of contract balances and changes in contract balances. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130551-203045 + Details
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