DEFERRED TAX (Summary of Deferred Tax Liability) (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012
Schedule Of Deferred Income Tax Assets and Liabilities [Line Items]
Deferred tax liability, net	$ 9,196,399	$ 6,565,618
Deferred Tax Liabilities, Net, Current	2,574,083	2,471,925
Accrual of system maintenance cost [Member]
Schedule Of Deferred Income Tax Assets and Liabilities [Line Items]
Deferred Tax Assets, Net, Noncurrent	82,561	48,453
Depreciation of fixed assets [Member]
Schedule Of Deferred Income Tax Assets and Liabilities [Line Items]
Deferred Tax Assets, Net, Noncurrent	31,456,576	22,933,886
Net investment in sales-type leases [Member]
Schedule Of Deferred Income Tax Assets and Liabilities [Line Items]
Deferred tax liability, net	$ (40,735,536)	$ (29,547,957)