LEASES (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Operating Lease, Description [Abstract]
Option to extend lease term	66 years
Percentage of increase in annual lease payments	3.00%
Rent Expense [Abstract]
Minimum rentals	$ 45,000	$ 44,000
Contingent rentals	0	0
Rent expenses	45,000	44,000
Cash paid for amounts included in the measurement of lease liabilities [Abstract]
Operating cash flows from operating leases	45,000	44,000
Right-of-use assets obtained in exchange for lease obligations [Abstract]
Operating leases	451,000	460,000
Operating leases [Abstract]
Operating lease right-of-use assets	451,000	460,000
Operating lease, liability [Abstract]
Other current liabilities	$ 6,000	$ 20,000
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Other	Other
Operating lease liabilities	$ 440,000	$ 432,000
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Operating lease liabilities	Operating lease liabilities
Total operating lease liabilities	$ 446,000	$ 452,000
Operating Lease, Liability, Statement of Financial Position [Extensible List]	Total lease liabilities recognized	Total lease liabilities recognized
Weighted Average Remaining Lease Term [Abstract]
Operating leases	61 years	59 years
Weighted Average Discount Rate [Abstract]
Operating leases	5.00%	5.00%
Maturities of Operating Lease Liabilities [Abstract]
2021	$ 29,000
2022	24,000
2023	24,000
2024	24,000
2025	25,000
Thereafter	1,334,000
Total	1,460,000
Less effects of discounting	(1,014,000)
Total lease liabilities recognized	$ 446,000	$ 452,000
Artesian Water [Member] | Land Improvements [Member]
Operating Lease, Description [Abstract]
Operating lease period	33 years
Portion of lease term determining annual lease payment	11 years
Rental payments	$ 17,000	16,500	$ 16,300
Artesian Water [Member] | Office Equipment [Member]
Operating Lease, Description [Abstract]
Operating lease period	3 years
Rental payments	$ 19,000	$ 19,000
Minimum [Member]
Operating Lease, Description [Abstract]
Remaining lease term	20 years
Maximum [Member]
Operating Lease, Description [Abstract]
Remaining lease term	74 years