Condensed Consolidated Statements of Changes in Stockholders' Equity and Comprehensive Income (Unaudited) (USD $)	Total	Common stock	Capital In Excess Of Par Value	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interest	Retained Earnings
Balance at Dec. 31, 2009	$ 35,687,808	$ 654,280	$ 6,514,851	$ 146,701	$ 100,989	$ 28,270,987
Balance, shares at Dec. 31, 2009		4,361,869
Net income	4,128,724					4,128,724
Net unrealized gain/loss for sale securities	(83,995)			(83,995)
Stock issued for services, shares		3,374
Stock issued for services	36,256	507	35,749
Stock option expense	9,406		9,406
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	(1,639,219)					(1,639,219)
Balance at Jun. 30, 2010	55,111,075	910,883	23,376,994	62,706	0	30,760,492
Balance, shares at Jun. 30, 2010		6,072,551
Balance at Dec. 31, 2010	73,701,502	1,222,470	41,910,067	46,590	0	30,522,375
Balance, shares at Dec. 31, 2010		8,149,801
Net income	4,635,092					4,635,092
Net unrealized gain/loss for sale securities	19,621			19,621
Stock issued for services, shares		2,250
Stock issued for services	25,350	338	25,012
Stock option expense	9,593		9,593
Dividends declared	(2,200,803)					(2,200,803)
Balance at Jun. 30, 2011	$ 76,190,355	$ 1,222,808	$ 41,944,672	$ 66,211	$ 0	$ 32,956,664
Balance, shares at Jun. 30, 2011		8,152,051