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Note 4 - Accounts Receivable | 6 Months Ended
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Jun. 30, 2021
Notes to Financial Statements |
Accounts and Nontrade Receivable [Text Block] |
4. | Accounts Receivable
Accounts receivable at June 30, 2021 and December 31, 2020, consist of the following:
|  | June 30, 2021 |  |  | December 31, 2020 |
Billed federal government |  | $ | 1,947,648 |  |  | $ | 1,425,217 |
Billed commercial and other |  |  | 64,035 |  |  |  | - |
Total billed |  |  | 2,011,683 |  |  |  | 1,425,217 |
Unbilled receivables |  |  | 85,838 |  |  |  | 17,014 |
Accounts receivable |  | $ | 2,097,521 |  |  | $ | 1,442,231 |
Billed receivables from the federal government include amounts due from both prime contracts and subcontracts where the federal government is the end customer. Unbilled receivables include short-term contract assets where billing cycles differ from calendar months or a monthly fixed billing amount does not reflect the revenue earned in a given month.

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- Definition The entire disclosure for accounts receivable, contract receivable, receivable held-for-sale, and nontrade receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -URI http://asc.fasb.org/topic&trid=2196771 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -URI http://asc.fasb.org/topic&trid=82887179 + Details
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