Consolidated Statements of Stockholders' Equity (USD $)	Total	Common Stock	Additional Paid-In Capital	Treasury Stock	Accumulated Deficit	Accumulated Other Comprehensive Income	Non-Controlling Interest	Comprehensive Income (Loss)	Series A Convertible Preferred Stock
Balance at Dec. 31, 2011	$ 15,232,668	$ 27,468	$ 25,974,600		$ (10,775,161)				$ 5,761
Balance (in shares) at Dec. 31, 2011		27,467,723							5,761,028
Increase (Decrease) in Stockholders' Equity
Shares issued for debt	33,000	20	32,980
Shares issued for debt (in shares)		20,000
Share-based compensation	12,501	103	12,398
Share-based compensation (in shares)		102,851
Shares issued for services	54,800		54,800
Shares for warrants exercised			(3)						3
Shares for warrants exercised (in shares)									2,841
Treasury Shares acquired	(2,732,342)			(2,732,342)
Treasury Shares acquired (in shares)				4,230,895
Comprehensive income (loss):
Unrealized gain (loss) on marketable securities	47					47		47
Dividends declared	(258,539)				(258,539)			(258,539)
Net loss	(6,293,314)				(6,266,861)		(26,453)	(6,293,314)
Comprehensive loss to common stockholders	(6,551,806)							(6,551,806)
Balance at Jun. 30, 2012	6,048,821	27,591	26,074,775	(2,732,342)	(17,300,561)	47	(26,453)		5,764
Balance (in shares) at Jun. 30, 2012		27,590,574		4,230,895					5,763,869
Balance at Dec. 31, 2012	2,213,172	27,653	20,546,744	(1,859,890)	(16,506,529)	5,194
Balance (in shares) at Dec. 31, 2012		27,652,749		999,591
Increase (Decrease) in Stockholders' Equity
Shares issued for share based compensation and services	46,512	73	46,439
Shares issued for share based compensation and services (in shares)		72,987
Treasury Shares acquired	(343)			(343)
Treasury Shares acquired (in shares)	1,450			1,450
Comprehensive income (loss):
Unrealized gain (loss) on marketable securities	(24,507)					(24,507)		(24,507)
Net loss	(1,246,355)				(1,246,355)			(1,246,355)
Comprehensive loss to common stockholders	(1,270,862)							(1,270,862)
Balance at Jun. 30, 2013	$ 988,479	$ 27,726	$ 20,593,183	$ (1,860,233)	$ 17,752,884	$ (19,313)
Balance (in shares) at Jun. 30, 2013		27,725,736		1,001,041