Consolidated Statements of Cash Flows (Unaudited) (USD $)	6 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash flows from operating activities
Net income	$ 1,870,347	$ 1,547,961
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation	1,041,232	838,592
Unamortized debt issuance cost	23,156	22,603
Regulatory Amortizations	673,998	832,468
Stock issued for services and stock option expense	162,731	160,903
Pension adjustment	(188,258)	(304,152)
Loss (Gain) on sale of marketable securities	(53,574)	(87,503)
Deferred income taxes	754,831	792,743
Bad debt expense	117,117	35,094
Undistributed earnings on joint ventures	(42,719)
(Increase) decrease in
Accounts receivable	(2,591,915)	(1,114,036)
Gas stored underground	1,902,991	1,986,048
Materials and supplies inventories	409,834	237,179
Prepaid expenses	(417,817)	(359,033)
Unrecovered gas costs	743,374	(194,043)
Deferred regulatory costs	(815,318)	(490,798)
Other	(25,543)	2,077
Increase (decrease) in:
Accounts payable	541,770	(282,568)
Accrued expenses	(203,396)	(173,262)
Customer deposits and accrued interest	(424,343)	(224,465)
Deferred compensation	(111,136)	(650,802)
Deferred pension costs & post-retirement benefits	(134,673)	(17,570)
Other liabilities and deferred credits	90,563	21,120
Net cash (used in) provided by operating activities	3,323,252	2,578,556
Cash flows from investing activities
Purchase of securities available-for-sale	(564,304)	(832,983)
Sale of securities available-for-sale	665,524	1,110,556
Investment in joint ventures	(81,000)
Capital expenditures	(2,926,207)	(3,259,790)
Net cash (used in) provided by investing activities	(2,905,987)	(2,982,217)
Cash flows from financing activities
Proceeds under lines-of-credit	7,358,302	8,477,992
Repayment of lines-of-credit	(6,817,229)	(9,565,329)
Debt issuance expense		(658)
Cash received from sale of stock		2,350,000
Dividends paid	(498,260)	(406,346)
Proceeds under long-term debt	77,435	18,002
Repayment of long-term debt	(594,263)	(475,081)
Net cash (used in) provided by financing activities	(474,015)	398,580
Net (decrease) increase in cash	(56,750)	(5,081)
Cash and cash equivalents at beginning of period	70,083	173,245
Cash and cash equivalents at end of period	13,333	168,164
Cash paid during the period for
Interest	482,213	497,788
Income Taxes	87,984	79,554
Non-cash financing activities:
Dividends paid with shares	$ 48,563	$ 39,462