Summary of Significant Accounting Policies - Accounts Receivable (Details) - USD ($) |
3 Months Ended | 12 Months Ended | |||||
|---|---|---|---|---|---|---|---|
Mar. 31, 2017 |
Mar. 31, 2016 |
Dec. 31, 2016 |
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| Allowance for Doubtful Accounts Receivable [Roll Forward] | |||||||
| Balance, Period Start | $ 5,376,966 | $ 4,011,932 | $ 4,011,932 | ||||
| Additions charged to expense | (40,446) | [1] | $ 23,543 | [1] | 1,968,001 | ||
| Deductions for uncollectible receivables written off | (602,967) | ||||||
| Additions charged (credited) to expense | (40,446) | ||||||
| Balance, Period End | $ 5,336,520 | $ 5,376,966 | |||||
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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 Amount of recoveries of receivables doubtful of collection that were previously charged off. No definition available.
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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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