CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
ASSETS
Utility plant, at original cost (less accumulated depreciation 2017-$115,004; 2016-$109,684)	$ 447,762	$ 425,502
Current assets
Cash and cash equivalents	250	226
Accounts receivable (less allowance for doubtful accounts 2017 - $279; 2016-$263)	7,245	7,796
Income tax receivable	1,246	150
Unbilled operating revenues	1,637	1,403
Materials and supplies	1,445	1,564
Prepaid property taxes	2,468	1,669
Prepaid expenses and other	2,102	1,827
Total current assets	16,393	14,635
Other assets
Non-utility property (less accumulated depreciation 2017 - $671; 2016 - $611)	3,922	3,881
Other deferred assets	3,690	3,584
Total other assets	7,612	7,465
Regulatory assets, net	7,696	3,374
Total Assets	479,463	450,976
Stockholders' equity
Common stock	9,193	9,127
Preferred stock	0	0
Additional paid-in capital	99,029	97,480
Retained earnings	36,362	32,416
Total stockholders' equity	144,584	139,023
Long-term debt, net of current portion	105,860	102,331
Total stockholders' equity and long term debt	250,444	241,354
Current liabilities
Lines of credit	6,300	7,130
Overdraft payable	1,293	32
Current portion of long-term debt	1,340	1,316
Accounts payable	5,761	5,532
Accrued expenses	3,531	1,309
Accrued interest	1,347	1,000
Customer deposits	951	864
Other	2,709	2,145
Total current liabilities	23,232	19,328
Commitments and contingencies
Deferred credits and other liabilities
Net advances for construction	8,200	8,169
Postretirement benefit obligation	149	149
Deferred investment tax credits	530	544
Utility plant retirement cost obligation	686	873
Deferred income taxes	74,678	68,453
Total deferred credits and other liabilities	84,243	78,188
Net contributions in aid of construction	121,544	112,106
Total Liabilities and Stockholders' equity	$ 479,463	$ 450,976

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.