Consolidated Statements of Changes in Stockholders' Equity (Deficit) (USD $)	Total Preferred Stock	Common Stock [Member]	Stock Subscriptions Receivable	Additional Paid-In Capital	Accumulated Deficit	Total
Beginning Balance - Amount at Dec. 31, 2009	$ 26,788	$ 530,987	$ (270,000)	$ 23,604,625	$ (20,929,169)	$ 2,963,231
Beginning Balance - Shares at Dec. 31, 2009	2,678,909	53,098,769
Issuance of common stock and warrants for cash, net of offering costs, Shares		3,492,502
Issuance of common stock and warrants for cash, net of offering costs, Amount		34,925	(180,000)	944,597		799,522
Payment received for outstanding stock subscriptions			203,707			203,707
Write off of uncollectible stock subscriptions, Shares		(543,889)
Write off of uncollectible stock subscriptions, Amount		(5,439)	163,730	(158,291)
Issuance of common stock to Directors for services, Shares		260,000
Issuance of common stock to Directors for services, Amount		2,600		114,400		117,000
Net loss					805,213	805,213
Ending Balance, Amount at Dec. 31, 2010	26,788	563,073	(82,563)	24,505,331	(20,123,956)	4,888,673
Ending Balance, Shares at Dec. 31, 2010	2,678,909	56,307,382
Payment received for outstanding stock subscriptions			82,563			82,563
Issuance of common stock for cash, net of offering costs, Shares		3,041,918
Issuance of common stock for cash, net of offering costs, Amount		30,419		1,129,798		1,160,217
Net loss					636,920	636,920
Ending Balance, Amount at Dec. 31, 2011	26,788	593,492		25,635,129	(19,487,036)	6,768,373
Ending Balance, Shares at Dec. 31, 2011	2,678,909	59,349,300
Issuance of common stock and warrants for cash, net of offering costs, Shares		2,156,334
Issuance of common stock and warrants for cash, net of offering costs, Amount		21,563		4,603,200		4,624,763
Issuance of common stock to Directors for services: Accrued in prior year, Shares		95,835
Issuance of common stock to Directors for services: Accrued in prior year, Amount		958		229,046		230,004
Issuance of common stock to Directors for services: For current year, Shares		69,992
Issuance of common stock to Directors for services: For current year, Amount		700		220,528		221,228
Issuance of common stock for cash through exercise of warrants, Shares		225,265
Issuance of common stock for cash through exercise of warrants, Amount		2,253		57,747		60,000
Net loss					(558,536)	(558,536)
Ending Balance, Amount at Dec. 31, 2012	$ 26,788	$ 618,966		$ 30,745,650	$ (20,045,572)	$ 11,345,832
Ending Balance, Shares at Dec. 31, 2012	2,678,909	61,896,726