LEASES, Lease Assets, Liabilities and Lease Cost (Details) - USD ($)		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020
Assets [Abstract]
Operating lease assets		$ 10,438,000	$ 11,772,000
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]		Operating lease assets	Operating lease assets
Finance lease assets		$ 37,000	$ 44,000
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]		Finance lease assets	Finance lease assets
Total assets		$ 10,475,000	$ 11,816,000
Current [Abstract]
Current portion of operating lease liabilities		$ 3,025,000	$ 3,530,000
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]		Current portion of operating lease liabilities	Current portion of operating lease liabilities
Current portion of finance lease liabilities		$ 15,000	$ 14,000
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]		Current portion of finance lease liabilities	Current portion of finance lease liabilities
Noncurrent [Abstract]
Operating lease liabilities, non-current		$ 8,194,000	$ 9,245,000
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]		Operating lease liabilities, non-current	Operating lease liabilities, non-current
Finance lease liabilities, non-current		$ 15,000	$ 29,000
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]		Finance lease liabilities, non-current	Finance lease liabilities, non-current
Total lease liabilities		$ 11,249,000	$ 12,818,000
Lease Cost [Abstract]
Operating lease asset impairment expense		0
Finance [Abstract]
Total lease cost		4,664,000	5,347,000
Maximum [Member]
Finance [Abstract]
Finance lease costs		1,000
ASU 2016-02 [Member] | Maximum [Member]
Lease Cost [Abstract]
Operating lease asset impairment expense			600,000
Operating Expenses [Member]
Lease Cost [Abstract]
Operating lease cost		3,664,000	3,809,000
Short-term lease cost		45,000	0
Variable lease cost	[1]	946,000	937,000
Finance [Abstract]
Amortization of lease assets	[2]	7,000	0
Impairment Expense [Member]
Lease Cost [Abstract]
Operating lease cost		0	601,000
Interest Expense [Member]
Finance [Abstract]
Interest on lease liabilities	[2]	$ 2,000	$ 0

[1] Variable lease cost includes payment for certain real estate taxes, insurance, common area maintenance, and other charges related to lease agreements, which are not included in the measurement of the operating lease liabilities.

[2] Finance lease costs were less than $1,000 during the 2020 year.