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 (Loss) [Member]	Retained Earnings [Member]	Comprehensive Income (Loss) [Member
Balance at Dec. 31, 2012	$ 2,514,870	$ 83,180	$ 0	$ 64,352,158	$ (3,166)	$ (61,917,302)
Balance (in shares) at Dec. 31, 2012		8,318,073	0
Stock-based compensation	31,250	1,650	0	29,600	0	0	0
Stock-based compensation (in shares)		164,932	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 loss
Net loss	(66,670)	0		0	0	(66,670)	(66,670)
Other comprehensive income
Net unrealized loss on investments in securities	(25,725)	0	0	0	(25,725)	0	(25,725)
Comprehensive loss	(92,395)	0	0	0	0	0	(92,395)
Balance at Jun. 30, 2013	$ 2,466,225	$ 84,830	$ 12,500	$ 64,381,758	$ (28,891)	$ (61,983,972)
Balance (in shares) at Jun. 30, 2013		8,483,005	78,126