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Deferred Tax Liability, Net (Tables) | 12 Months Ended
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Dec. 31, 2017
Deferred Tax Liability, Net [Abstract] |
Schedule of deferred tax liability |
|  | 2017 |  |  | 2016 |
Deferred tax asset — current (accrual of employee social insurance) |  | $ | 189,617 |  |  | $ | 167,980 |
Deferred tax liability — current (net investment in sales-type leases) |  |  | (1,828,246 | ) |  |  | (1,586,058 | )
Deferred tax liability, net of current deferred tax asset |  | $ | (1,638,629 | ) |  | $ | (1,418,078 | )
Deferred tax asset — noncurrent (depreciation of fixed assets) |  | $ | 17,709,919 |  |  | $ | 17,943,843 |
Deferred tax asset — noncurrent (asset impairment loss) |  |  | 450,706 |  |  |  | - |
Deferred tax liability — noncurrent (net investment in sales-type leases) |  |  | (25,157,147 | ) |  |  | (25,426,744 | )
Deferred tax liability, net of noncurrent deferred tax asset |  | $ | (6,996,522 | ) |  | $ | (7,482,901 | )
Total Deferred tax liability, noncurrent per ASU 2015-17 |  | $ | (8,635,151 | ) |  | $ | 8,900,979 |

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- Definition Deferred Tax Liability Net [Abstract]. + References No definition available. + Details
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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319 + Details
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