Consolidated Balance Sheets - USD ($)	Sep. 30, 2016	Jun. 30, 2016
Current Assets
Cash and cash equivalents	$ 12,266,703	$ 18,606,567
Accounts receivable, less accumulated allowances for doubtful accounts of $237,000 and $301,000, respectively	5,485,048	4,741,595
Natural gas in storage, at average cost	5,731,145	3,289,920
Deferred natural gas costs	1,745,334	674,077
Materials and supplies, at average cost	552,372	544,342
Prepayments	4,369,291	3,051,665
Total current assets	30,149,893	30,908,166
Property, Plant and Equipment	243,633,752	241,833,771
Less - Accumulated provision for depreciation	(105,490,527)	(104,192,898)
Net property, plant and equipment	138,143,225	137,640,873
Other Assets
Cash surrender value of life insurance	427,675	414,985
Regulatory assets	19,123,684	18,881,126
Other non-current assets	1,070,379	1,033,979
Total other assets	20,621,738	20,330,090
Total assets	188,914,856	188,879,129
Current Liabilities
Accounts payable	4,917,117	4,200,298
Current portion of long-term debt	1,500,000	1,500,000
Accrued taxes	2,061,204	1,584,675
Customers' deposits	596,252	618,137
Accrued interest on debt	110,220	111,825
Accrued vacation	769,839	756,138
Other current liabilities	690,486	585,342
Total current liabilities	10,645,118	9,356,415
Long-Term Debt	50,424,397	50,422,796
Long-Term Liabilities
Deferred income taxes	44,533,968	43,405,098
Regulatory liabilities	1,117,554	1,138,141
Accrued pension	1,161,791	1,833,780
Asset retirement obligations	3,985,628	3,917,585
Other long-term liabilities	1,114,744	1,078,345
Total long-term liabilities	51,913,685	51,372,949
Total liabilities	112,983,200	111,152,160
Shareholders' Equity
Common shares ($1.00 par value), 20,000,000 shares authorized; 7,116,381 and 7,087,762 shares outstanding at September 30, 2016 and June 30, 2016, respectively	7,116,381	7,087,762
Premium on common shares	49,583,018	49,472,542
Retained earnings	19,232,257	21,166,665
Total shareholders' equity	75,931,656	77,726,969
Total liabilities and shareholders' equity	$ 188,914,856	$ 188,879,129

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.