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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 |  |  |  |

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