CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
ASSETS
Utility plant, at original cost (less accumulated depreciation - 2020 - $139,121; 2019 - $136,588)	$ 537,190	$ 530,721
Current assets
Cash and cash equivalents	330	596
Accounts receivable (less allowance for doubtful accounts - 2020 - $280; 2019 - $264)	6,734	6,913
Income tax receivable	0	19
Unbilled operating revenues	1,290	1,211
Materials and supplies	1,322	1,264
Prepaid property taxes	976	1,954
Prepaid expenses and other	2,027	2,250
Total current assets	12,679	14,207
Other assets
Non-utility property (less accumulated depreciation - 2020 - $809; 2019 - $790)	3,793	3,812
Other deferred assets	4,666	4,257
Operating lease right of use asset	474	480
Total other assets	8,933	8,549
Regulatory assets, net	6,785	6,891
Total Assets	565,587	560,368
Stockholders' equity
Common stock	9,302	9,292
Preferred stock	0	0
Additional paid-in capital	102,132	101,811
Retained earnings	50,920	49,165
Total stockholders' equity	162,354	160,268
Long-term debt, net of current portion	143,563	144,156
Total stockholders' equity and long term debt	305,917	304,424
Current liabilities
Lines of credit	8,638	7,500
Current portion of long-term debt	1,789	1,706
Accounts payable	6,597	8,176
Accrued expenses	2,708	3,113
Overdraft payable	28	15
Accrued interest	1,497	830
Income taxes payable	2,740	343
Customer and other deposits	1,970	1,970
Other	1,956	1,946
Total current liabilities	27,923	25,599
Commitments and contingencies (Note 12)
Deferred credits and other liabilities
Net advances for construction	5,302	5,421
Operating lease liabilities	445	450
Regulatory liabilities	22,104	22,246
Deferred investment tax credits	486	490
Deferred income taxes	50,953	52,259
Total deferred credits and other liabilities	79,290	80,866
Net contributions in aid of construction	152,457	149,479
Total Liabilities and Stockholders' Equity	$ 565,587	$ 560,368