CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating revenues
Total Operating Revenues	$ 22,495	$ 22,187
Operating expenses
Utility operating expenses	11,272	10,495
Non-utility operating expenses	1,085	943
Depreciation and amortization	3,224	3,085
State and federal income taxes	1,313	1,419
Property and other taxes	1,541	1,502
Total Operating Expenses	18,435	17,444
Operating income	4,060	4,743
Other income
Allowance for funds used during construction (AFUDC)	459	181
Miscellaneous income	1,603	1,446
Income before interest charges	6,122	6,370
Interest charges	2,417	1,887
Net income applicable to common stock	$ 3,705	$ 4,483
Income per common share:
Basic (in dollars per share)	$ 0.39	$ 0.48
Diluted (in dollars per share)	$ 0.39	$ 0.47
Weighted average common shares outstanding:
Basic (in shares)	9,504	9,423
Diluted (in shares)	9,510	9,455
Cash dividends per share of common stock (in dollars per share)	$ 0.2784	$ 0.2675
Water Sales [Member]
Operating revenues
Total Operating Revenues	$ 18,016	$ 18,143
Other Utility Operating Revenue [Member]
Operating revenues
Total Operating Revenues	2,817	2,525
Non-Utility Operating Revenue [Member]
Operating revenues
Total Operating Revenues	$ 1,662	$ 1,519