Consolidated Statements of Income - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Operating Revenues
Regulated revenues	$ 10,873,770	$ 16,102,877	$ 16,707,695	$ 22,246,250
Non-regulated revenues	5,799,577	9,772,389	10,359,075	16,950,321
Total operating revenues	16,673,347	25,875,266	27,066,770	39,196,571
Operating Expenses
Regulated purchased natural gas	3,071,226	7,591,082	4,057,849	9,087,779
Non-regulated purchased natural gas	4,389,391	7,865,541	8,044,307	13,513,856
Operation and maintenance	3,415,406	3,338,340	6,904,450	7,062,226
Depreciation and amortization	1,570,646	1,586,205	3,212,659	3,091,707
Taxes other than income taxes	748,199	594,997	1,501,575	1,381,841
Total operating expenses	13,194,868	20,976,165	23,720,840	34,137,409
Operating Income	3,478,479	4,899,101	3,345,930	5,059,162
Other Income (Deductions), Net	44,247	18,645	(34,913)	1,190
Interest Expense	639,936	657,530	1,281,871	1,317,138
Net Income Before Income Taxes	2,882,790	4,260,216	2,029,146	3,743,214
Income Tax Expense	1,079,439	1,603,682	750,252	1,397,806
Net Income	$ 1,803	$ 2,656,534	$ 1,278,894	$ 2,345,408
Earnings Per Common Share (Note 11)
Basic (in dollars per share)	$ 0.25	$ 0.38	$ 0.18	$ 0.33
Diluted (in dollars per share)	0.25	0.38	0.18	0.33
Dividends Declared Per Common Share (in dollars per share)	$ 0.205	$ 0.20	$ 0.41	$ 0.40
Retained Earnings [Member]
Operating Expenses
Net Income	$ 1,803,351	$ 2,656,534	$ 1,278,894	$ 2,345,408