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Accounts Receivable | 9 Months Ended
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Sep. 30, 2020
Accounts Receivable Net Current [Abstract] |
Accounts Receivable | NOTE 3 – ACCOUNTS RECEIVABLE Accounts receivable, net consists of the following:
|  | September 30, |  |  | December 31, |
|  | 2020 |  |  | 2019 |
Accounts receivable |  | $ | 9,769,730 |  |  | $ | 11,655,725 |
Unbilled receivables |  |  | 106 |  |  |  | 25,432 |
|  |  | 9,769,836 |  |  |  | 11,681,157 |
Less: allowance for doubtful accounts |  |  | (25,665 | ) |  |  | (14,000 | )
|  | $ | 9,744,171 |  |  | $ | 11,667,157 |
Unbilled receivables include amounts associated with percentage of completion and milestone billing accounting, which includes cost and gross profit earned in excess of billing, not currently billable due to contractual provisions. Provision for bad debt expense related to accounts receivable was $12,361 and $2,150 for the three month periods ended September 30, 2020 and 2019, respectively, and $10,950 and $495 for the nine months ended September 30, 2020 and 2019, respectively.

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- Definition The entire disclosure for financing receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -URI http://asc.fasb.org/subtopic&trid=2196772 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=2196816 + Details
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