Statement of Changes in Stockholders' Equity (USD $)	Total	Common Stock [Member]	Common Stock To Be Issued [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income [Member]	Accumulated Deficit [Member]	Comprehensive Income (Loss) [Member]
Balance at Dec. 31, 2011	$ 3,665,952	$ 80,287	$ 0	$ 64,292,551	$ (25,026)	$ (60,681,860)	$ 0
Balance (in shares) at Dec. 31, 2011		8,028,779	0
Stock-based compensation	62,500	2,893	0	59,607	0	0	0
Stock-based compensation (in shares)		289,294	0
Dividends	(1,803,808)	0	0	0	0	(1,803,808)	0
Comprehensive gain (loss)
Net income (loss)	568,366	0	0	0	0	568,366	568,366
Other comprehensive income (loss)
Net unrealized gain (loss) on investment in securities	21,860	0	0	0	21,860	0	21,860
Comprehensive gain (loss)	590,226	0	0	0	0	0	590,226
Balance at Dec. 31, 2012	2,514,870	83,180	0	64,352,158	(3,166)	(61,917,302)	0
Balance (in shares) at Dec. 31, 2012		8,318,073	0
Stock-based compensation	56,250	3,324	0	52,926	0	0	0
Stock-based compensation (in shares)		332,344	0
Common stock to be issued	12,500	0	12,500	0	0	0	0
Common stock to be issued (in shares)		0	78,126
Comprehensive gain (loss)
Net income (loss)	(177,259)	0	0	0	0	(177,259)	(177,259)
Other comprehensive income (loss)
Net unrealized gain (loss) on investment in securities	(10,782)	0	0	0	(10,782)	0	(10,782)
Comprehensive gain (loss)	(188,041)	0		0	0	0	(188,041)
Balance at Dec. 31, 2013	$ 2,395,579	$ 86,504	$ 12,500	$ 64,405,084	$ (13,948)	$ (62,094,561)
Balance (in shares) at Dec. 31, 2013		8,650,417	78,126