Pledged Assets, Not Separately Reported, Property, Plant and Equipment.

No definition available.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

The aggregate interest expense incurred on short-term borrowings including commercial paper and Federal funds purchased and securities sold under agreements to repurchase.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.7)
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- Definition

Amount of cash and cash equivalents restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(1)(a))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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-Publisher FASB
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-Section S99
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-Section S99
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount of time deposit liabilities, including certificates of deposit.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 405
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-Publisher SEC
-Name Industry Guide
-Number 3
-Section V
-Paragraph D-E

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Short-term loans (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
Short-term loans (Details Textual) - USD ($)	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Short-term Debt [Line Items]
Pledged Assets Not Separately Reported Property Plant And Equipment	$ 9,333,591		$ 9,333,591		$ 9,621,537
Interest Expense, Short-term Borrowings, Total	118,886	$ 277,319	230,599	$ 537,156
Chief Executive Officer [Member]
Short-term Debt [Line Items]
Time Deposits	5,636,635		5,636,635		3,982,226
Bank Time Deposits [Member]
Short-term Debt [Line Items]
Restricted Cash and Cash Equivalents	$ 2,564,161		$ 2,564,161		$ 2,639,631
Minimum [Member]
Short-term Debt [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.00%		5.00%		5.00%
Maximum [Member]
Short-term Debt [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.5102%		6.5102%		5.8725%