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Restricted Cash | 3 Months Ended
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Mar. 31, 2018
Restricted Cash [Abstract] |
Restricted Cash | (3) Restricted Cash Restricted cash of $3,975,764 as of March 31, 2018 was presented for the cash deposited at the Bank of Cangzhou for purpose of securing the bank acceptance notes from the bank (see Note (9)). The restriction will be lifted upon the maturity of the notes payable on January 10, 2019. Restricted cash of $6,121,637 as of December 31, 2017 was presented for the cash deposited at the Bank of Cangzhou for purpose of securing the bank acceptance notes from the bank (see Note (9)). The restriction was lifted upon the maturity of the notes payable on January 5, 2018.

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- Definition The entire disclosure for cash and cash equivalent footnotes, which may include the types of deposits and money market instruments, applicable carrying amounts, restricted amounts and compensating balance arrangements. Cash and equivalents include: (1) currency on hand (2) demand deposits with banks or financial institutions (3) other kinds of accounts that have the general characteristics of demand deposits (4) 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. Generally, only investments maturing within three months from the date of acquisition qualify. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 305 -URI http://asc.fasb.org/topic&trid=2122426 + Details
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