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Accounts Payable and Accrued Expenses | 12 Months Ended
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Dec. 31, 2020
Payables and Accruals [Abstract] |
Accounts Payable and Accrued Expenses | Accounts Payable and Accrued Expenses Accounts payable and accrued expenses at December 31, 2020 and 2019 consisted of the following:
| 2020 |  | 2019
Trade accounts payable | $ | 825,516 |  |  | $ | 6,919,081 |
Accrued compensation | 13,127,257 |  |  | 8,967,897 |
Accrued subcontract costs | 247,796 |  |  | 273,508 |
Other accrued expenses | 7,003,239 |  |  | 2,076,772 |
| $ | 21,203,808 |  |  | $ | 18,237,258 |

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- Definition The entire disclosure for accounts payable and accrued liabilities at the end of the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(a),20,24) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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