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v3.21.2

Revolving Line of Credit (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2021
Revolving Line of Credit |
Schedule of revolving line of credit | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Balance at |  | Balance at |  | ​ |  | ​
​ | ​ | June 30, |  | December 31, | ​ | Current | ​ | Interest Rate
​ |  | 2021 | ​ | 2020 |  | Borrowing Base |  | 3 mo.
Revolving line of credit | ​ | $ | — | ​ | $ | — | ​ | $ | 14,000,000 | ​ | ​ | LIBOR + 3.25% (1)
| (1) | At June 30, 2021, the weighted average interest rate was 3.50%.

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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