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Supplemental disclosure of cash flow information
 12 Months Ended
Dec. 31, 2015
Supplemental Cash Flow Elements [Abstract]  
Cash Flow, Supplemental Disclosures [Text Block]
21. Supplemental disclosure of cash flow information
 
 
 
Year Ended December 31,
 
 
 
2015
 
2014
 
2013
 
Interest paid in cash
 
$
147,546
 
$
196,768
 
$
380,014
 
 
 
 
 
 
 
 
 
 
 
 
Non-cash transactions:
 
 
 
 
 
 
 
 
 
 
Transfers from inventory to property plant and equipment and construction in progress
 
$
123,036
 
$
168,622
 
$
181,875
 
Transfers from construction in progress to property, plant and equipment
 
$
2,694,733
 
$
2,693,622
 
$
4,924,980
 
 
 
 
 
 
 
 
 
 
 
 
Issuance of 10,514, 18,294, and 25,111, respectively, shares of common stock for services rendered
 
$
119,018
 
$
263,098
 
$
217,826
 
Issuance of 8,615, 5,957, and 10,180 , respectively, shares of redeemable preferred stock for services rendered for services rendered
 
$
110,703
 
$
65,289
 
$
110,249
 
Conversion (on a one-to-one basis) of 7,195, 4,756, and 4,720, respectively, shares of redeemable preferred stock to common stock
 
$
4,317
 
$
2,854
 
$
2,832
 
Dividends declared but not paid
 
$
1,111,501
 
$
1,106,456
 
$
1,104,271
 
Obligation incurred for land held for development
 
$
-
 
$
-
 
$
10,050,000