Fair Value, Hierarchy [Axis] Fair Value, Inputs, Level 1 [Member] Equity Components [Axis] Common Stock [Member] Additional Paid-in Capital [Member] Retained Earnings [Member] Related Party [Axis] Founder [Member] Sale of Stock [Axis] Private Placement [Member] Over-Allotment Option [Member] IPO [Member] Sponsor [Member] Cantor Fitzgerald [Member] Investment Type [Axis] Working Capital Loans [Member] Private Warrants [Member] Public Warrants [Member] Notes Receivable from Stockholders Subsequent Event Type [Axis] Subsequent Event [Member] Document and Entity Information [Abstract] Entity Registrant Name Entity Central Index Key Trading Symbol Amendment Flag Current Fiscal Year End Date Document Type Document Period End Date Document Fiscal Period Focus Document Fiscal Year Focus Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Filer Category Entity Public Float Entity Common Stock, Shares Outstanding Statement of Financial Position [Abstract] ASSETS Current Assets Cash Prepaid expenses and other current assets Total Current Assets Cash and marketable securities held in Trust Account Deferred offering costs Total Assets LIABILITIES AND STOCKHOLDERS' EQUITY Current liabilities Accrued expenses Income taxes payable Accrued offering costs Promissory note - related party Total Current Liabilities Deferred underwriting fees Deferred legal fees payable Total Liabilities Commitments and Contingencies Common stock subject to possible redemption, $0.0001 par value; 16,112,706 and -0- shares (at redemption value of approximately $10.00 per share) as of December 31, 2017 and 2016, respectively Stockholders' Equity Preferred stock, $0.0001 par value; 5,000,000 authorized, none issued and outstanding Common stock, $0.0001 par value; 35,000,000 shares authorized; 7,780,627 and 5,298,333 shares issued and outstanding (excluding 16,112,706 and -0- shares subject to possible redemption) as of December 31, 2017 and 2016, respectively Additional paid-in capital Accumulated deficit Total Stockholders' Equity TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY Common stock subject to possible redemption, par value Common stock subject to possible redemption, shares issued Common stock subject to possible redemption, shares outstanding Common stock redemption value Preferred stock, par value Preferred stock, shares authorized Preferred stock, shares issued Preferred stock, shares outstanding Common stock, par value Common stock, shares authorized Common stock, shares issued Common stock, shares outstanding Income Statement [Abstract] Operating costs Loss from operations. Other income: Interest income Income (loss) before taxes Provision for income taxes Net loss Weighted average shares outstanding Basic and diluted Net loss per common share Basic and diluted Shares subject to possible redemption Initial stockholders subject to forfeiture Statement [Table] Statement [Line Items] Common Stock Additional Paid-in Capital Accumulated Deficit Balance Balance, Shares Common stock issued to Initial Stockholders in exchange for a note receivable Common stock issued to Initial Stockholders in exchange for a note receivable, Shares Issuance of common stock to Initial Stockholders Issuance of common stock to Initial Stockholders, Shares Sale of 17,500,000 Units, net of underwriters discount and offering expenses Sale of 17,500,000 Units, net of underwriters discount and offering expenses, Shares Sale of 420,000 Placement Units Sale of 420,000 Placement Units, Shares Forfeiture of 26,667 shares of common stock due to underwriter not exercising its full over-allotment option Forfeiture of 26,667 shares of common stock due to underwriter not exercising its full over-allotment option, Shares Common stock subject to redemption Common stock subject to redemption, Shares Collection of notes receivable from stockholders Net loss Balance Balance, Shares Statement of Stockholders' Equity [Abstract] Sale of underwriters discount and offering expenses, Units Sale of placement units Forfeiture shares common stock due to underwriter not exercising its full over-allotment option Statement of Cash Flows [Abstract] Cash Flows from Operating Activities: Adjustments to reconcile net loss to net cash used in operating activities: Interest earned on marketable securities held in Trust Account Changes in operating assets and liabilities: Prepaid expenses and other current assets Accrued expenses Income taxes payable Net cash used in operating activities Cash Flows from Investing Activities: Investment of cash in Trust Account Cash withdrawn from Trust Account Net cash used in investing activities Cash Flows from Financing Activities: Proceeds from sale of Units, net of underwriting discounts paid Proceeds from sale of Private Placement Units Proceed from issuance of common stock to Initial Stockholders Proceeds from collection of notes receivable from stockholders Proceeds from promissory note - related party Repayment of promissory note - related party Payment of offering costs Net cash provided by financing activities Net Change in Cash Cash - Beginning Cash - Ending Non-Cash investing and financing activities: Deferred offering costs included in accrued expenses Deferred underwriting fees charged to additional paid in capital Deferred legal fees charged to additional paid in capital Initial classification of common stock subject to possible redemption Change in value of common stock subject to possible redemption Issuance of stock for notes receivable from stockholders Organization, Consolidation and Presentation of Financial Statements [Abstract] DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS Accounting Policies [Abstract] SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Initial Public Offering [Abstract] INITIAL PUBLIC OFFERING Private Placement [Abstract] PRIVATE PLACEMENT Related Party Transactions [Abstract] RELATED PARTY TRANSACTIONS Commitments and Contingencies Disclosure [Abstract] COMMITMENTS AND CONTINGENCIES Equity [Abstract] STOCKHOLDERS' EQUITY Income Tax Disclosure [Abstract] INCOME TAX Fair Value Disclosures [Abstract] FAIR VALUE MEASUREMENTS Business Combinations [Abstract] MERGER AGREEMENT Subsequent Events [Abstract] SUBSEQUENT EVENTS Basis of presentation Principles of Consolidation Emerging growth company Use of estimates Cash and cash equivalents Cash and marketable securities held in Trust Account Common stock subject to possible redemption Offering costs Income taxes Net loss per common share Concentration of credit risk Fair value of financial instruments Recently issued accounting standards Schedule of assets measured at fair value on recurring basis Schedule of held-to-maturity securities Schedule of net deferred tax assets Schedule of income tax provision Schedule of federal income tax rate Description of Organization And Business Operations [Table] Description of Organization And Business Operations [Line Items] Initial Public Offering [Member] Over-allotment option [Member] Placement Units [Member] Description of Organization and Business Operations (Textual) Sale of stock, shares Price per share Gross proceeds from initial public offering Gross proceeds from private placement Transaction costs Underwriting fees Deferred underwriting fees payable Initial public offering cost Working capital Deferred legal fees Net tangible assets Business combination, description Redemption of public shares, percentage Redemption, description Percentage of trust account Summary of Significant Accounting Policies (Textual) Common stock subject to possible redemption Offering costs to stockholder's equity Warrants to purchase of common stock, shares Federal depository insurance amount Diluted net income per share effect of common stock shares Initial Public Offering [Table] Initial Public Offering [Line Items] Initial Public Offering (Textual) Warrant, exercise price Public warrant description Schedule of Related Party Transactions, by Related Party [Table] Related Party Transaction [Line Items] Cantor [Member] Private Placement (Textual) Purchase price Sale of stock, units price per share Initial offering period Proceeds from placement units and proceeds from initial public offering total Private placement, description Founder Shares [Member] Related Party Transactions (Textual) Issuance of common stock to founder (Shares) Purchase price of founder shares Forfeiture of founder shares Sale of stock, description of transaction Amounts released to the company for working capital Outstanding loan Business combination of committed to loan Unsecured for loan, description Initial stockholders percentage Additional common stock issued Maximum warrants purchase shares Loans converted into warrants Commitments And Contingencies [Table] Commitments And Contingencies [Line Items] Commitments and Contingencies (Textual) Option to purchase Purchase price per unit Remaining portion of options waived Underwriting agreement, description Deferred legal fees Subsidiary or Equity Method Investee, Sale of Stock by Subsidiary or Equity Investee [Table] Subsidiary, Sale of Stock [Line Items] Range [Axis] Stockholders' Equity (Textual) Warrants, description Deferred tax asset Organizational costs/Startup expenses Total deferred tax assets Valuation allowance Deferred tax asset, net of allowance Federal Current Deferred State Current Deferred Change in valuation allowance Income tax provision Effective Income Tax Rate Reconciliation, Amount [Abstract] Statutory federal income tax rate State taxes, net of federal tax benefit Deferred tax rate change Change in valuation allowance Income tax provision Income Tax (Textual) Change in valuation allowance Held-To-Maturity Amortized Cost Gross Holding Losses Fair Value Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Table] Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] Level 1 [Member] Assets: Fair Value Measurements (Textual) Cash held on trust amount Merger Agreement (Textual) Merger agreement, description Description of merger agreement Subsequent Events (Textual) Interest earned on the trust account An expense that has occurred but the transaction has not been entered in the accounting records. The amount of loan committed for business combination. Cantor Fitzgerald. It represents Non-cash Investing and Financing Activities of Change in value of common stock subject to possible redemption. Common stock subject to possible redemption. Disclosure of accounting policy for common stock subject to possible redemption. It represents Non-cash Investing and Financing Activities of Deferred legal fees. Deferred legal fees payable. The amount of deferred offering costs included in accrued expenses. It represents Non-cash Investing and Financing Activities of Deferred Underwriting Fees. Expense related to deferred underwriting fees payable. An emerging growth company is defined in the Securities Act and the Exchange Act as an issuer with total annual gross revenues of less than 1 billion during its most recently completed fiscal year. Founder. It represents Non-cash Investing and Financing Activities of Initial classification of common stock subject to possible redemption. The value of initial public offering costs. The entire disclosure for initial public offering. Initial sharholder percentage for issued and outstanding. This item represents the amount of interest earned on marketable securities held in trust account. It represents Non-cash investing and financing activities of deferred underwriting fees. Specific incremental costs directly attributable to a proposed or actual offering of securities. The number of over allotment option waived. Payment of offering costs. Private placement. Description of private placement. The entire disclosure for private placements. Private Placement. The cash outflow associated with Proceeds from sale of Units, net of underwriting discounts paid. Public warrant description The number of options to purchase. Redemption Of Public Shares Percentage. Sale of placement units. Sale of Sale of net units underwriters discount and offering expenses. Sponsor Member. Definition :Stock issued during period shares issued for subject to forfeiture. The number of shares issued during of placement units. The number of shares issued during of underwriters discount and offering expenses. Value of stock issued during placement units. Value of stock issued during underwriters discount and offering expenses. The description related to underwriting agreement. Expense related to underwriting fees. Unsecured for loan to non interest bearing. Warrants to purchase of common stock share. The cash held for working capital purpose. Working capital loans. It represent stock issued during the period value of collection of notes receivable from stockholders. Description of maturity held date. It represent cash held on trust amount. It represent interest earned on the trust account. It represent description of merger agreement. Assets, Current Assets Liabilities, Current Liabilities Stockholders' Equity Attributable to Parent Liabilities and Equity Operating Income (Loss) Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Income Tax Expense (Benefit) Earnings Per Share, Basic and Diluted Common Stock Subject To Possible Redemption Shares, Outstanding Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Interest Earned On Marketable Securities Held In Trust Account Increase (Decrease) in Prepaid Expense Increase (Decrease) in Accrued Liabilities Increase (Decrease) in Income Taxes Payable Net Cash Provided by (Used in) Operating Activities Payments to Acquire Investments to be Held in Decommissioning Trust Fund Net Cash Provided by (Used in) Investing Activities Proceeds From Sale Of Units Net Of Underwriting Discounts Paid Repayments of Related Party Debt Payment Of Offering Costs Net Cash Provided by (Used in) Financing Activities Cash and Cash Equivalents, Period Increase (Decrease) Marketable Securities, Policy [Policy Text Block] Earnings Per Share, Policy [Policy Text Block] Business Combination, Acquisition Related Costs Deferred Tax Assets, Gross Deferred Tax Assets, Valuation Allowance Deferred Tax Assets, Net of Valuation Allowance Current State and Local Tax Expense (Benefit) Deferred State and Local Income Tax Expense (Benefit) Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Effective Income Tax Rate Reconciliation, Percent Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Held-to-maturity Securities, Unrecognized Holding Loss MergerAgreementConsummationDescription