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Accounts Receivable | 12 Months Ended
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Dec. 31, 2017
Receivables [Abstract] |
Accounts Receivable | 3. Accounts Receivable
|  | 2017 |  |  | 2016 |
Accounts receivable |  | $ | 2,145,803 |  |  | $ | 3,044,652 |
Allowances for doubtful accounts |  |  | (40,332 | ) |  |  | (36,499 | )
|  | $ | 2,105,471 |  |  | $ | 3,008,153 |

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- Definition The entire disclosure for financing receivables. Examples of financing receivables include, but are not limited to, loans, trade accounts receivables, notes receivable, credit cards, and receivables relating to a lessor's right(s) to payment(s) from a lease other than an operating lease that is recognized as assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -URI http://asc.fasb.org/topic&trid=2196771 + Details
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Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_ReceivablesAbstract
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