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Cash, Cash Equivalents and Restricted Cash (Tables) | 9 Months Ended
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Sep. 30, 2020
Cash And Cash Equivalents [Abstract] |
Schedule of Cash, Cash Equivalents, and Restricted Cash | Cash, cash equivalents, and restricted cash balances were as follows:
|  | September 30, |  |  | December 31, |
(in thousands) |  |  | 2020 |  |  |  | 2019 |
Cash and cash equivalents |  | $ | 10,899 |  |  | $ | 10,002 |
Letters of credit |  |  | 131 |  |  |  | 131 |
Security for credit cards |  |  | 50 |  |  |  | 50 |
Total cash, cash equivalents and restricted cash shown in the statements of cash flows |  | $ | 11,080 |  |  | $ | 10,183 |

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