995300 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 995301 - Document - Audit Information link:presentationLink link:calculationLink link:definitionLink 995302 - Statement - Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 995303 - Statement - Consolidated Balance Sheets (Parentheticals) link:presentationLink link:calculationLink link:definitionLink 995304 - Statement - Consolidated Statements of Operations and Comprehensive Loss link:presentationLink link:calculationLink link:definitionLink 995305 - Statement - Consolidated Statements of Operations and Comprehensive Loss (Parentheticals) link:presentationLink link:calculationLink link:definitionLink 995306 - Statement - Consolidated Statements of Changes in Equity (Deficit) link:presentationLink link:calculationLink link:definitionLink 995307 - Statement - Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 995308 - Disclosure - Organization and Principal Activities link:presentationLink link:calculationLink link:definitionLink 995309 - Disclosure - Liquidity and Capital Resources link:presentationLink link:calculationLink link:definitionLink 995310 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 995311 - Disclosure - Discontinued Operations link:presentationLink link:calculationLink link:definitionLink 995312 - Disclosure - Accounts Receivable link:presentationLink link:calculationLink link:definitionLink 995313 - Disclosure - Prepayments, Other Receivables and Other Current Assets link:presentationLink link:calculationLink link:definitionLink 995314 - Disclosure - Property and Equipment, Net link:presentationLink link:calculationLink link:definitionLink 995315 - Disclosure - Intangible Assets, Net link:presentationLink link:calculationLink link:definitionLink 995316 - Disclosure - Accrued Expenses and Other Liabilities link:presentationLink link:calculationLink link:definitionLink 995317 - Disclosure - Employee Benefit Plan link:presentationLink link:calculationLink link:definitionLink 995318 - Disclosure - Equity link:presentationLink link:calculationLink link:definitionLink 995319 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 995320 - Disclosure - Concentration link:presentationLink link:calculationLink link:definitionLink 995321 - Disclosure - Related Party Transactions and Balances link:presentationLink link:calculationLink link:definitionLink 995322 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 995323 - Disclosure - Loss Per Shere – Basic and Diluted link:presentationLink link:calculationLink link:definitionLink 995324 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 995325 - Disclosure - Segment Information link:presentationLink link:calculationLink link:definitionLink 995326 - Disclosure - Parent-Only Financials link:presentationLink link:calculationLink link:definitionLink 995327 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 995328 - Disclosure - Cybersecurity Risk Management and Strategy Disclosure link:presentationLink link:calculationLink link:definitionLink 996329 - Disclosure - Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 996330 - Disclosure - Summary of Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 996331 - Disclosure - Discontinued Operations (Tables) link:presentationLink link:calculationLink link:definitionLink 996332 - Disclosure - Accounts Receivable (Tables) link:presentationLink link:calculationLink link:definitionLink 996333 - Disclosure - Prepayments, Other Receivables and Other Current Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 996334 - Disclosure - Property and Equipment, Net (Tables) link:presentationLink link:calculationLink link:definitionLink 996335 - Disclosure - Intangible Assets, Net (Tables) link:presentationLink link:calculationLink link:definitionLink 996336 - Disclosure - Accrued Expenses and Other Liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 996337 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 996338 - Disclosure - Related Party Transactions and Balances (Tables) link:presentationLink link:calculationLink link:definitionLink 996339 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 996340 - Disclosure - Loss Per Shere – Basic and Diluted (Tables) link:presentationLink link:calculationLink link:definitionLink 996341 - Disclosure - Segment Information (Tables) link:presentationLink link:calculationLink link:definitionLink 996342 - Disclosure - Parent-Only Financials (Tables) link:presentationLink link:calculationLink link:definitionLink 996343 - Disclosure - Organization and Principal Activities (Details) link:presentationLink link:calculationLink link:definitionLink 996344 - Disclosure - Liquidity and Capital Resources (Details) link:presentationLink link:calculationLink link:definitionLink 996345 - Disclosure - Summary of Significant Accounting Policies (Details) link:presentationLink link:calculationLink link:definitionLink 996346 - Disclosure - Summary of Significant Accounting Policies - Schedule of Translation of Amounts from RMB into US (Details) link:presentationLink link:calculationLink link:definitionLink 996347 - Disclosure - Summary of Significant Accounting Policies - Schedule of Fair Value on a Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 996348 - Disclosure - Summary of Significant Accounting Policies - Schedule of Assets and Liabilities Measured at Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 996349 - Disclosure - Summary of Significant Accounting Policies - ​Schedule of Estimates the Fair Value to those Warrants Using the Black-Scholes Valuation Model (Details) link:presentationLink link:calculationLink link:definitionLink 996350 - Disclosure - Summary of Significant Accounting Policies - ​Schedule of Finance Lease Receivables (Details) link:presentationLink link:calculationLink link:definitionLink 996351 - Disclosure - Summary of Significant Accounting Policies - Schedule of Future Scheduled Minimum Lease Payments for Investments in Sales-Type Leases (Details) link:presentationLink link:calculationLink link:definitionLink 996352 - Disclosure - Summary of Significant Accounting Policies - Schedule of Useful Life of Property and Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 996353 - Disclosure - Summary of Significant Accounting Policies - Schedule of Disaggregated Information of Revenues (Details) link:presentationLink link:calculationLink link:definitionLink 996354 - Disclosure - Discontinued Operations (Details) link:presentationLink link:calculationLink link:definitionLink 996355 - Disclosure - Discontinued Operations - Schedule of Discontinued Operations (Details) link:presentationLink link:calculationLink link:definitionLink 996356 - Disclosure - Accounts Receivable (Details) link:presentationLink link:calculationLink link:definitionLink 996357 - Disclosure - Accounts Receivable - Schedule of Accounts Receivable (Details) link:presentationLink link:calculationLink link:definitionLink 996358 - Disclosure - Accounts Receivable - Schedule of Movement of Allowance for Credit Losses (Details) link:presentationLink link:calculationLink link:definitionLink 996359 - Disclosure - Prepayments, Other Receivables and Other Current Assets (Details) link:presentationLink link:calculationLink link:definitionLink 996360 - Disclosure - Prepayments, Other Receivables and Other Current Assets - Schedule of Prepayments, Other Receivables and Other Current Assets, Net (Details) link:presentationLink link:calculationLink link:definitionLink 996361 - Disclosure - Prepayments, Other Receivables and Other Current Assets - Schedule of Movement of Allowance for Credit Losses (Details) link:presentationLink link:calculationLink link:definitionLink 996362 - Disclosure - Property and Equipment, Net (Details) link:presentationLink link:calculationLink link:definitionLink 996363 - Disclosure - Property and Equipment, Net - Schedule of Property and Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 996364 - Disclosure - Intangible Assets, Net (Details) link:presentationLink link:calculationLink link:definitionLink 996365 - Disclosure - Intangible Assets, Net - Schedule of Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 996366 - Disclosure - Intangible Assets, Net - Schedule of Amortization Expense (Details) link:presentationLink link:calculationLink link:definitionLink 996367 - Disclosure - Accrued Expenses and Other Liabilities - Schedule of Accrued Expenses and Other Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 996368 - Disclosure - Employee Benefit Plan (Details) link:presentationLink link:calculationLink link:definitionLink 996369 - Disclosure - Equity (Details) link:presentationLink link:calculationLink link:definitionLink 996370 - Disclosure - Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 996371 - Disclosure - Income Taxes - Schedule of Income/(Loss) Before Income Tax by Jurisdiction (Details) link:presentationLink link:calculationLink link:definitionLink 996372 - Disclosure - Income Taxes - Schedule of Reconciliation of Taxes at the PRC Statutory Rat (Details) link:presentationLink link:calculationLink link:definitionLink 996373 - Disclosure - Income Taxes - Schedule of Cash Paid for Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 996374 - Disclosure - Income Taxes - Schedule of Deferred Taxes for Continuing Operation (Details) link:presentationLink link:calculationLink link:definitionLink 996375 - Disclosure - Income Taxes - Schedule of Changes Related to Valuation Allowance (Details) link:presentationLink link:calculationLink link:definitionLink 996376 - Disclosure - Concentration (Details) link:presentationLink link:calculationLink link:definitionLink 996377 - Disclosure - Related Party Transactions and Balances (Details) link:presentationLink link:calculationLink link:definitionLink 996378 - Disclosure - Related Party Transactions and Balances - Schedule of Due from Related Parties (Details) link:presentationLink link:calculationLink link:definitionLink 996379 - Disclosure - Related Party Transactions and Balances - Schedule of Allowance for Credit Losses Due from Jinkailong (Details) link:presentationLink link:calculationLink link:definitionLink 996380 - Disclosure - Related Party Transactions and Balances - Schedule of Due to Related Parties (Details) link:presentationLink link:calculationLink link:definitionLink 996381 - Disclosure - Related Party Transactions and Balances - Schedule of Operating Lease Right-of-Use Assets (Details) link:presentationLink link:calculationLink link:definitionLink 996382 - Disclosure - Related Party Transactions and Balances - Schedule of Related Party Transaction (Details) link:presentationLink link:calculationLink link:definitionLink 996383 - Disclosure - Leases (Details) link:presentationLink link:calculationLink link:definitionLink 996384 - Disclosure - Leases - Schedule of Company’s Minimum Lease Payments (Details) link:presentationLink link:calculationLink link:definitionLink 996385 - Disclosure - Loss Per Shere – Basic and Diluted - Schedule of Earning Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 996386 - Disclosure - Loss Per Shere – Basic and Diluted - Schedule of Anti-Dilutive Ordinary Shares (Details) link:presentationLink link:calculationLink link:definitionLink 996387 - Disclosure - Commitments and Contingencies (Details) link:presentationLink link:calculationLink link:definitionLink 996388 - Disclosure - Segment Information - Schedule of Segment's Revenue, Loss from Operations, Loss Before Income Taxes and Net Loss (Details) link:presentationLink link:calculationLink link:definitionLink 996389 - Disclosure - Parent-Only Financials (Details) link:presentationLink link:calculationLink link:definitionLink 996390 - Disclosure - Parent-Only Financials - Schedule of Condensed Balance Sheets (Details) link:presentationLink link:calculationLink link:definitionLink 996391 - Disclosure - Parent-Only Financials - Schedule of Condensed Balance Sheets (Details) (Parentheticals) link:presentationLink link:calculationLink link:definitionLink 996392 - Disclosure - Parent-Only Financials - Schedule of Condensed Statements of Operations and Comprehensive Loss (Details) link:presentationLink link:calculationLink link:definitionLink 996393 - Disclosure - Parent-Only Financials - Schedule of Condensed Statements of Cash Flows (Details) link:presentationLink link:calculationLink link:definitionLink 996394 - Disclosure - Subsequent Events (Details) link:presentationLink link:calculationLink link:definitionLink