Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) (USD $)	Total	Common stock	Capital In Excess Of Par Value	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interest	Retained Earnings
Beginning balance at Dec. 31, 2009	$ 35,687,808	$ 654,280	$ 6,514,851	$ 146,701	$ 100,989	$ 28,270,987
Beginning balance, shares at Dec. 31, 2009		4,361,869
Net income	4,084,019					4,084,019
Net unrealized gain (loss) on available for sale securities	(96,159)			(96,159)
Stock issued for services, shares		4,499
Stock issued for services	48,720	675	48,045
Stock option expense	14,109		14,109
Acquisition of Ohio Companies, shares		1,707,308
Acquisition of Ohio Companies	17,073,084	256,096	16,816,988
Purchase remaining share in Cut Bank Gas Company	(100,989)				(100,989)
Dividends declared	(2,459,114)					(2,459,114)
Ending balance at Sep. 30, 2010	54,251,478	911,051	23,393,993	50,542	0	29,895,892
Ending balance, shares at Sep. 30, 2010		6,073,676
Beginning balance at Dec. 31, 2010	73,701,502	1,222,470	41,910,067	46,590	0	30,522,375
Beginning balance, shares at Dec. 31, 2010		8,149,801
Net income	4,764,618					4,764,618
Net unrealized gain (loss) on available for sale securities	49,697			49,697
Stock issued for services, shares		3,375
Stock issued for services	37,804	506	37,298
Stock option expense	14,389		14,389
Dividends declared	(3,301,433)					(3,301,433)
Ending balance at Sep. 30, 2011	$ 75,266,577	$ 1,222,976	$ 41,961,754	$ 96,287	$ 0	$ 31,985,560
Ending balance, shares at Sep. 30, 2011		8,153,176