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LEASES - Maturities of Lease Liabilities (Details) - USD ($)	Mar. 31, 2021	Dec. 31, 2020
Operating Leases
April 2021 - March 2022	$ 1,352,000
April 2022 - March 2023	1,169,000
April 2023 - March 2024	1,180,000
April 2024 - March 2025	1,101,000
April 2025 - March 2026	884,000
Thereafter	901,000
Total payments under lease agreements	6,587,000
Less imputed interest	(839,000)
Total lease liabilities	5,748,000	$ 6,008,000
Finance Leases
April 2020 - March 2021	54,000
April 2021 - March 2022	36,000
Total payments under lease agreements	90,000
Less imputed interest	(4,000)
Total lease liabilities	$ 86,000	$ 98,000

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Amount of lessee's undiscounted obligation for lease payments for finance lease, due in second rolling twelve months following latest statement of financial position date. For interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.

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