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SUPPLEMENTAL CASH FLOW INFORMATION (Details) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
SUPPLEMENTAL CASH FLOW INFORMATION (Details) - USD ($)	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Supplemental Cash Flow Elements [Abstract]
Interest paid			$ 301,000	$ 419,000
Income taxes (received) paid			350,000	0
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Increase in equity	$ 26,000	$ 25,000	26,000	25,000	$ 25,000
Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Increase in equity	2,000	1,000	2,000	1,000
Common Stock \| Directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock issued			2,000	1,000
Additional Paid-in Capital
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Increase in equity	$ 24,000	$ 24,000	$ 24,000	$ 24,000