DEFERRED TAX LIABILITY, NET (Summary of Deferred Tax Liability) (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013
Schedule Of Deferred Income Tax Assets and Liabilities [Line Items]
Deferred tax asset — current (accrual of employee social insurance)	$ 89,114us-gaap_DeferredTaxAssetsNetCurrent	$ 70,551us-gaap_DeferredTaxAssetsNetCurrent
Deferred tax liability — current (net investment in sales-type leases)	70,551	(1,442,317)
Deferred tax liability, net of deferred tax asset - current	(1,035,337)us-gaap_DeferredTaxLiabilitiesCurrent	(1,371,766)us-gaap_DeferredTaxLiabilitiesCurrent
Deferred tax asset — noncurrent (depreciation of fixed assets)	30,310,142us-gaap_DeferredTaxAssetsNetNoncurrent	31,308,695us-gaap_DeferredTaxAssetsNetNoncurrent
Deferred tax liability — noncurrent (net investment in sales-type leases)	(43,612,679)	(43,263,314)
Deferred tax liability, net of deferred tax asset - noncurrent	$ (13,302,537)	$ (11,954,619)

Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards expected to be realized or consumed within one year or operating cycle, if longer.

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Amount after allocation of valuation allowances of noncurrent deferred tax asset attributable to deductible temporary differences and carryforwards. Noncurrent assets are expected to be realized or consumed after one year (or the normal operating cycle, if longer).

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- Definition

Amount of deferred tax liability attributable to taxable temporary differences, net of deferred tax asset attributable to deductible temporary differences and carryforwards net of valuation allowances expected to be realized or consumed within one year or operating cycle, if longer.

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