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Supplemental disclosure of cash flow information (Tables) | 12 Months Ended
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Dec. 31, 2013
Supplemental Cash Flow Elements [Abstract] |
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] |
|  | Year Ended December 31, |
|  | 2013 |  | 2012 |  | 2011 |
Interest paid in cash, net of capitalized interest of $246,851 in 2011 |  | $ | 380,014 |  | $ | 670,042 |  | $ | 962,744 |
Non-cash transactions: |  |  |  |  |  |  |  |  |  |
Transfers from (to) inventory to (from) property plant and equipment, net |  | $ | 181,875 |  | $ | 508,107 |  | $ | (100,000) |
Issuance of 25,111, 21,686 and 11,158, respectively, of common stock for services rendered |  | $ | 217,826 |  | $ | 175,313 |  | $ | 104,443 |
Issuance of 10,180, 10,033 and 7,455, respectively, of redeemable preferred stock for services rendered |  | $ | 110,249 |  | $ | 77,856 |  | $ | 65,902 |
Conversion (on a one-to-one basis) of 4,720, 2,629 and 2,145, respectively, of redeemable preferred stock to common stock |  | $ | 2,832 |  | $ | 1,577 |  | $ | 1,287 |
Dividends declared but not paid |  | $ | 1,104,271 |  | $ | 1,096,746 |  | $ | 1,094,334 |
Obligation incurred for investment in land |  | $ | 10,050,000 |  | $ | - |  | $ | - |

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- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
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- Details
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