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PREPAID EXPENSE AND OTHER CURRENT ASSETS (Tables) | 12 Months Ended
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Dec. 31, 2018
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |
Schedule of Prepaid Expense and Other Current Assets | Prepaid expense and other current assets consist of the following:
|  | December 31, |
|  | 2017 |  |  | 2018 |
Spare parts |  | $ | 5,598,073 |  |  | $ | 5,011,781 |
Prepaid value added tax (“VAT”) |  |  | - |  |  |  | 4,768,552 |
Prepaid insurance fee |  |  | 285,650 |  |  |  | 153,751 |
Others |  |  | 805,900 |  |  |  | 401,417 |
Total |  | $ | 6,689,623 |  |  | $ | 10,335,501 |

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- Definition Tabular disclosure of the amounts paid in advance for capitalized costs that will be expensed with the passage of time or the occurrence of a triggering event, and will be charged against earnings within one year or the normal operating cycle, if longer; the aggregate carrying amount of current assets, not separately presented elsewhere in the balance sheet; and other deferred costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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