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Summary of Significant Accounting Policies - Accounts Receivable and Concentration of Credit Risk (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2015 | Dec. 31, 2014
Accounts Receivable and Concentration of Credit Risk |  |
Reserve for accounts deemed uncollectible (as a percent) | 100.00% |
Allowance for doubtful accounts reserve balance | $ 192,000 | $ 94,000
Minimum |  |
Accounts Receivable and Concentration of Credit Risk |  |
Age of doubtful accounts | 60 days |
Age 61 to 90 Days |  |
Accounts Receivable and Concentration of Credit Risk |  |
Reserve for doubtful accounts (as a percent) | 5.00% |
Age 61 to 90 Days | Minimum |  |
Accounts Receivable and Concentration of Credit Risk |  |
Age of doubtful accounts | 61 days |
Age 61 to 90 Days | Maximum |  |
Accounts Receivable and Concentration of Credit Risk |  |
Age of doubtful accounts | 90 days |
Age Over 90 Days |  |
Accounts Receivable and Concentration of Credit Risk |  |
Reserve for doubtful accounts (as a percent) | 20.00% |
Age Over 90 Days | Minimum |  |
Accounts Receivable and Concentration of Credit Risk |  |
Age of doubtful accounts | 90 days |

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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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5074-111524 + Details
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