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Long-Term Debt - Schedule of Long-term Debt (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Total debt |  | $ 4,220 |  |
Less current portion of long-term debt |  | 1,300 |  | $ 1,184
Long-term debt |  | 2,580 |  |
Long Term Debt [Member] |  |  |  |
Total debt |  | 3,880 |  | 3,302
Less current portion of long-term debt |  | 1,300 |  | 1,184
Long-term debt |  | 2,580 |  | 2,118
Revolving Credit [Member] |  |  |  |
Total debt | [1] | 321 |  | 639
Term Loan [Member] |  |  |  |
Total debt | [1],[2] | 1,827 |  | 2,663
Promissory Note [Member] |  |  |  |
Total debt | [4] | $ 1,732 | [3] |
[1] | Our revolving credit facility is collateralized by our accounts receivable and our term loan is collateralized by our property, plant, and equipment. Effective July 1, 2019, monthly installment principal payment on the Term Loan was amended to approximately $35,500 from approximately $101,600. See discussion of the amendment dated June 20, 2019 to the Company's loan agreement below.
[2] | Net of debt issuance costs of ($92,000) and ($80,000) at December 31, 2019 and December 31, 2018, respectively.
[3] | Net of debt discount/debt issuance costs of ($248,000) at December 31, 2019. The Promissory Note provides for prepayment of principal over the term of the Note without penalty. The Company made prepayments of principal totaling $520,000 in 2019 which was reflected in the current portion of the debt.
[4] | Uncollateralized note.

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