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Accounts Receivable | 3 Months Ended
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Mar. 31, 2022
Accounts Receivable Net Current [Abstract] |
Accounts Receivable | NOTE 4 – ACCOUNTS RECEIVABLE Accounts receivable, net consists of the following:
|  | March 31, |  |  | December 31, |
|  | 2022 |  |  | 2021 |
Accounts receivable |  | $ | 9,087,520 |  |  | $ | 5,105,426 |
Unbilled receivables |  |  | - |  |  |  | - |
|  |  | 9,087,520 |  |  |  | 5,105,426 |
Less: allowance for doubtful accounts |  |  | (10,071 | ) |  |  | (15,622 | )
|  | $ | 9,077,449 |  |  | $ | 5,089,804 |
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. (Recovery) provision for bad debt expense related to accounts receivable was $5,524 and $16,590 for the three month periods ended March 31, 2022 and 2021, respectively. The increase in accounts receivable is attributable to the timing of shipments. A significant portion of quarterly sales was shipped in the final days of the quarter.

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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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