Statement of Changes in Stockholders' Equity (USD $)	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings [Member]	Comprehensive Income (Loss) [Member]	Total
Balance at Dec. 31, 2012	$ 83,180	$ 64,352,158	$ (3,166)	$ (61,917,302)	$ 0	$ 2,514,870
Balance (in shares) at Dec. 31, 2012	8,318,073
Stock-based compensation	782	14,843	0	0	0	15,625
Stock-based compensation (in shares)	78,126
Comprehensive loss
Net loss	0	0	0	(90,145)	(90,145)	(90,145)
Other comprehensive income
Net unrealized gain on investments in securities	0	0	16,243	0	16,243	16,243
Comprehensive loss	0	0	0	0	(73,902)	(73,902)
Balance at Mar. 31, 2013	$ 83,962	$ 64,367,001	$ 13,077	$ (62,007,447)		$ 2,456,593
Balance (in shares) at Mar. 31, 2013	8,396,199