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LONG-TERM DEBT (Schedule of Debt) (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Dec. 31, 2020
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Debt Instrument [Line Items] |  |
Total long-term debt | $ 199 | $ 1,010
Current portion of long-term debt | (25) | (648)
Long-term debt, net of current maturities | 174 | 362
Department of Economic and Community Development (DECD) |  |
Debt Instrument [Line Items] |  |
Total long-term debt | 219 | 233
Debt issuance cost | (20) | (22)
Financed Insurance Loan [Member] |  |
Debt Instrument [Line Items] |  |
Total long-term debt | $ 0 | 12
Paycheck Protection Program |  |
Debt Instrument [Line Items] |  |
Total long-term debt |  | $ 787

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- Definition Amount, after accumulated amortization, of debt issuance costs classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28555-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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