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Commitments and Contingencies - Concentration of Credit Risk (Details) - Credit Concentration Risk - item | 12 Months Ended
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Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Accounts Receivable | Top Ten Customers |  |  |
Concentration of Credit Risk |  |  |
Number of top customers | 10 |  |
Percentage of net accounts receivable from top customers | 75.00% | 65.00% |
Accounts Receivable | Customer B |  |  |
Concentration of Credit Risk |  |  |
Concentration Risk (as a percent) |  | 20.00% |
Accounts Receivable | Customer C |  |  |
Concentration of Credit Risk |  |  |
Concentration Risk (as a percent) | 23.00% | 13.00% |
Net Sales | Customer A |  |  |
Concentration of Credit Risk |  |  |
Concentration Risk (as a percent) |  | 15.00% |
Net Sales | Customer B |  |  |
Concentration of Credit Risk |  |  |
Concentration Risk (as a percent) |  | 11.00% | 14.00%
Net Sales | Customer D |  |  |
Concentration of Credit Risk |  |  |
Concentration Risk (as a percent) | 20.00% |  |
Net Sales | Customer E |  |  |
Concentration of Credit Risk |  |  |
Concentration Risk (as a percent) | 12.00% |  |

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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13531-108611 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13537-108611 + Details
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