Consolidated Statements Of Stockholders' Equity (USD $)	Common Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings [Member]	Total
BALANCE at Dec. 31, 2008	$ 8,525,725	$ (2,229,103)	$ 45,405,280	$ 51,701,902
BALANCE, Shares at Dec. 31, 2008	5,115,435
Net Income			1,642,828	1,642,828
Dividends			(1,841,557)	(1,841,557)
Unrealized Gains of Equity Method Investee		175,900		175,900
Unrealized Gains/ Losses on Interest Rate Swaps, Net of Deferred Income Taxes		201,468		201,468
BALANCE at Dec. 31, 2009	8,525,725	(1,851,735)	45,206,551	51,880,541
BALANCE, Shares at Dec. 31, 2009	5,115,435
Net Income			2,050,605	2,050,605
Dividends			(1,636,939)	(1,636,939)
Unrealized Gains of Equity Method Investee		208,007		208,007
Unrealized Gains/ Losses on Interest Rate Swaps, Net of Deferred Income Taxes		(56,445)		(56,445)
BALANCE at Dec. 31, 2010	8,525,725	(1,700,173)	45,620,217	52,445,769
BALANCE, Shares at Dec. 31, 2010	5,115,435			5,115,435
Net Income			2,027,523	2,027,523
Dividends			(1,675,310)	(1,675,310)
Unrealized Gains of Equity Method Investee		357,316		357,316
Unrealized Gains/ Losses on Interest Rate Swaps, Net of Deferred Income Taxes		528,623		528,623
BALANCE at Dec. 31, 2011	$ 8,525,725	$ (814,234)	$ 45,972,430	$ 53,683,921
BALANCE, Shares at Dec. 31, 2011	5,115,435			5,115,435