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Long Term Debt - Schedule of Long term Debt (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Total debt |  | $ 6,657 | $ 6,729 |
Less current portion of long-term debt |  | 5,196 | 3,595 |
Long-term debt |  | 1,461 | 3,134 |
Revolving Credit [Member] |  |  |  |
Total debt | [1] |  |  |
Term Loan [Member] |  |  |  |
Total debt | [1],[2] | 1,290 | 1,388 |
Promissory Note [Member] |  |  |  |
Total debt | [3] | 5,318 | 5,318 | [4]
Note Payable [Member] |  |  |  |
Total debt |  | $ 49 | $ 23 |
[1] | Our revolving credit facility is collateralized by our accounts receivable and our term loan is collateralized by our property, plant, and equipment.
[2] | Net of debt issuance costs of ($97,000) and ($105,000) at March 31, 2021 and December 31, 2020, respectively.
[3] | Entered into with the Company's credit facility lender under the PPP under the CARES Act (see "PPP Loan" below for further information on this loan and its terms).
[4] | Uncollateralized note.

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