Consolidated Statements of Changes in Stockholders' Equity (USD $)	Total	Common Stock [Member]	Capital In Excess Of Par Value [Member]	Accumulated Other Comprehensive Income [Member]	Retained Earnings [Member]
BEGINNING BALANCE at Dec. 31, 2011	$ 74,772,027	$ 1,223,145	$ 41,978,799	$ 80,405	$ 31,489,678
BEGINNING BALANCE (in shares) at Dec. 31, 2011		8,154,301
Net income	3,719,317	0	0	0	3,719,317
Other comprehensive income (loss), net	(14,616)	0	0	(14,616)	0
Stock issued for services	50,602	675	49,927	0	0
Stock issued for services (in shares)		4,500
Stock compensation	9,406	0	9,406	0	0
Purchase of Loring Pipeline	2,250,004	31,643	2,218,361	0	0
Purchase of Loring Pipeline (in shares)		210,951
Dividends declared	(4,442,616)	0	0	0	(4,442,616)
ENDING BALANCE at Dec. 31, 2012	76,344,124	1,255,463	44,256,493	65,789	30,766,379
ENDING BALANCE (in shares) at Dec. 31, 2012		8,369,752
Net income	6,671,279	0	0	0	6,671,279
Other comprehensive income (loss), net	39,120	0	0	39,120	0
Exercise of stock options	159,500	3,000	156,500	0	0
Exercise of stock options (in shares)		20,000
Stock compensation	2,962	0	2,962	0	0
Purchase of JDOG Marketing	2,641,199	38,539	2,602,660	0	0
Purchase of JDOG Marketing (in shares)		256,926
Common stock issued	16,721,104	270,750	16,450,354	0	0
Common stock issued (in shares)		1,805,000
Dividends declared	(5,099,513)	0	0	0	(5,099,513)
ENDING BALANCE at Dec. 31, 2013	97,479,775	1,567,752	63,468,969	104,909	32,338,145
ENDING BALANCE (in shares) at Dec. 31, 2013	10,451,678	10,451,678
Net income	3,761,777	0	0	0	3,761,777
Other comprehensive income (loss), net	(104,909)	0	0	(104,909)	0
Exercise of stock options	45,762	750	45,012	0	0
Exercise of stock options (in shares)		5,000
Stock compensation	316,985	4,625	312,360	0	0
Stock compensation (in shares)		30,833
Dividends declared	(5,188,772)	0	0	0	(5,188,772)
ENDING BALANCE at Dec. 31, 2014	$ 96,310,618	$ 1,573,127	$ 63,826,341	$ 0	$ 30,911,150
ENDING BALANCE (in shares) at Dec. 31, 2014	10,487,511	10,487,511