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v3.19.3

Deferred Tax Liability, Net (Details) - USD ($) | Sep. 30, 2019 | Dec. 31, 2018
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Summary of deferred tax liability |  |
Deferred tax asset - current (accrual of employee social insurance) | $ 181,241 | $ 186,779
Deferred tax liability - current (net investment in sales-type leases) | (751,984) | (1,639,057)
Deferred tax liability - current, net of current deferred tax asset | (570,743) | (1,452,278)
Deferred tax asset - noncurrent (depreciation of fixed assets) | 3,045,899 | 6,176,064
Deferred tax asset - noncurrent (asset impairment loss) | 7,434,503 | 15,003,497
Deferred tax asset - noncurrent (capitalized interest on CIP) |  | 2,531,120
Deferred tax asset - noncurrent (interest income in sales-type leases) | 841,599 | 658,307
Deferred tax asset - noncurrent (US NOL) | 3,204,942 | 3,114,083
Deferred tax asset - noncurrent (PRC NOL) | 10,097,716 | 1,617,861
Less: valuation allowance on deferred tax assets | (18,212,276) | (21,353,059)
Deferred tax assets - noncurrent, net | 6,412,383 | 7,747,873
Deferred tax liability - noncurrent (net investment in sales-type leases) | (5,841,640) | (9,335,941)
Deferred tax liability - noncurrent, net of noncurrent deferred tax assets | 570,743 | (1,588,068)
Total Deferred tax liability, noncurrent under ASU 2015-17 |  | (3,040,346)
PRC [Member] |  |
Summary of deferred tax liability |  |
Deferred tax asset - noncurrent (US NOL) | $ 9,002,050 | $ 1,617,861

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