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Variable Interest Entities (“VIE”) and Transactions (Details) - USD ($)
Dec. 31, 2016
Dec. 31, 2015
Variable Interest Entity [Line Items]    
Current Assets $ 35,732,397 $ 32,437,171
Property, plant and equipment, net 5,311,388 6,553,556
Total assets 43,913,739 41,804,969
Variable Interest Entity, Primary Beneficiary [Member]    
Variable Interest Entity [Line Items]    
Current Assets 794,000 1,400,000
Property, plant and equipment, net 125,000 462,000
Other noncurrent assets 794,000 794,000
Total assets 1,713,000 2,656,000
Mortgages and other long-term debt payable 1,962,000 2,775,000
Total liabilities $ 1,962,000 $ 2,775,000