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Supplemental disclosure of cash flow information (Tables) | 12 Months Ended
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Dec. 31, 2017
Supplemental Cash Flow Elements [Abstract] |
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] |
|  | Year Ended December 31, |
|  | 2017 |  | 2016 |  | 2015 |
Interest paid in cash |  | $ | 7,062 |  | $ | 74,898 |  | $ | 147,546 |
Non-cash transactions: |  |  |  |  |  |  |  |  |  |
Transfers from inventory to property, plant and equipment and construction in progress |  | $ | 291,275 |  | $ | 276,807 |  | $ | 123,036 |
Transfers from construction in progress to property, plant and equipment |  | $ | 3,183,122 |  | $ | 3,542,119 |  | $ | 2,694,733 |
Issuance of 34,991, 25,156, and 10,514, respectively, shares of common stock for services rendered |  | $ | 402,927 |  | $ | 278,388 |  | $ | 119,018 |
Issuance of 9,441, 8,421, and 8,615, respectively, shares of redeemable preferred stock for services rendered |  | $ | 118,485 |  | $ | 111,410 |  | $ | 110,703 |
Conversion (on a one-to-one basis) of 12,214, 11,558, and 7,195, respectively, shares of redeemable preferred stock to common stock |  | $ | 7,328 |  | $ | 6,935 |  | $ | 4,317 |
Dividends declared but not paid |  | $ | 1,270,950 |  | $ | 1,118,017 |  | $ | 1,111,501 |

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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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- References No definition available. + Details
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