Consolidated Balance Sheets (Unaudited) (USD $)	Mar. 31, 2013	Sep. 30, 2012
Plant
Utility property, plant and equipment	$ 57,150,197	$ 54,198,924
Less: accumulated depreciation	(16,954,565)	(15,888,267)
Total plant utility and non-utility, net	40,195,632	38,310,657
Investments
Marketable securities available-for-sale at fair value	2,229,560	2,271,721
Investment in joint ventures	472,912	349,193
Total investments	2,702,472	2,620,914
Current assets
Cash and cash equivalents	13,333	70,083
Customer accounts receivable, (net of allowance for uncollectible accounts of $291,082 and $209,615, respectively)	4,101,081	1,626,283
Gas stored underground, at average cost	208,273	2,111,264
Materials and supplies inventory	763,270	1,173,104
Prepaid expenses	1,144,561	726,744
Total current assets	6,230,518	5,707,478
Regulatory assets
Unrecovered gas costs	801,861	1,545,235
Deferred regulatory costs	2,221,556	1,545,790
Unamortized debt issuance cost (net of accumulated amortization of $512,677 and $489,522, respectively)	226,055	249,211
Deferred income taxes	789,924	1,375,665
Other	284,797	259,254
Total deferred debits and other assets	4,324,193	4,975,155
Total assets	53,452,815	51,614,204
Current liabilities
Current portion of long-term debt	1,646,737	1,571,553
Demand notes payable	750,000	750,000
Borrowings under lines-of-credit	2,738,068	2,196,995
Accounts payable	2,042,963	1,501,193
Accrued expenses	669,306	872,702
Customer deposits and accrued interest	608,396	1,032,739
Dividends declared	279,278	266,205
Deferred income taxes	439,810	270,720
Total current liabilities	9,174,558	8,462,107
Long-term debt, less current installments	11,973,515	12,565,527
Deferred credits and other liabilities
Deferred compensation	1,388,128	1,499,264
Deferred pension costs & post-retirement benefits	8,079,838	7,680,065
Other	509,170	431,680
Total deferred credits and other liabilities	9,977,136	9,611,009
Common stockholders' equity
Common stock (common stock $5.00 par value per share. Authorized 3,500,000 shares; issued and outstanding 2,236,117 shares at March 31, 2013 and 2,220,271 at September 30, 2012)	11,180,585	11,101,355
Other paid-in capital	11,830,827	11,698,763
Retained earnings	2,745,442	1,421,918
Accumulated other comprehensive loss	(3,429,248)	(3,246,475)
Total common stockholders' equity	22,327,606	20,975,561
Total liabilities and capitalization	$ 53,452,815	$ 51,614,204