Summary of Significant Accounting Policies - Accounts Receivable (Details) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
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| Allowance for Doubtful Accounts Receivable [Roll Forward] | |||
| Balance, Period Start | $ 3,947,432 | $ 589,502 | $ 1,621,147 |
| Additions charged to expense | 1,968,001 | 3,682,218 | 603,289 |
| Deductions for uncollectible receivables written off | (602,967) | (324,288) | (1,634,934) |
| Balance, Period End | $ 5,312,466 | $ 3,947,432 | $ 589,502 |
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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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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Amount of direct write-downs of accounts receivable charged against the allowance. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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