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FINANCING ARRANGEMENTS AND LONG-TERM DEBT - Long-term Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
FINANCING ARRANGEMENTS AND LONG-TERM DEBT
Senior secured credit facility	$ 74,475	$ 78,775
Debt issuance costs	(685)	(924)
Long-term debt, net	73,790	77,851
Less current installments on long term debt	4,300	4,300
Long-term debt	$ 69,490	$ 73,551

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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