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Supplemental disclosure of cash flow information (Tables) | 12 Months Ended
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Dec. 31, 2014
Supplemental Cash Flow Elements [Abstract] |
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] |
|  | Year Ended December 31, |
|  | 2014 |  | 2013 |  | 2012 |
Interest paid in cash |  | $ | 196,768 |  | $ | 380,014 |  | $ | 670,042 |
Non-cash transactions: |  |  |  |  |  |  |  |  |  |
Transfers from inventory to property plant and equipment, net and construction in progress |  | $ | 168,622 |  | $ | 181,875 |  | $ | 508,107 |
Transfers from construction in progress to property, plant and equipment, net |  | $ | 2,693,622 |  | $ | 4,924,980 |  | $ | 278,214 |
Transfer from construction in progress to costs and estimated earnings in excess of billings |  |  | 1,090,489 |  |  | - |  |  | - |
Issuance of 18,294, 25,111 and 21,686, respectively, shares of common stock for services rendered |  | $ | 263,098 |  | $ | 217,826 |  | $ | 175,313 |
Issuance of 5,957, 10,180 and 10,033, respectively, shares of redeemable preferred stock for services rendered |  | $ | 65,289 |  | $ | 110,249 |  | $ | 77,856 |
Conversion (on a one-to-one basis) of 4,756, 4,720 and 2,629, respectively, shares of redeemable preferred stock to common stock |  | $ | 2,854 |  | $ | 2,832 |  | $ | 1,577 |
Dividends declared but not paid |  | $ | 1,106,456 |  | $ | 1,104,271 |  | $ | 1,096,746 |
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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