Sale of Stock [Axis] Initial Public Offering [Member] Private Placement Warrants [Member] Legal Entity [Axis] Sponsor [Member] Over-Allotment Option [Member] Underwriter [Member] Type of Arrangement and Non-arrangement Transactions [Axis] Underwriting Agreement [Member] Trust Account [Member] Subsequent Event Type [Axis] Subsequent Event [Member] Cash and Cash Equivalents [Axis] U.S. Money Market [Member] U.S. Treasury Securities [Member] Fair Value, Hierarchy [Axis] Quoted Prices In Active Markets (Level 1) [Member] Significant Other Observable Inputs (Level 2) [Member] Significant Other Unobservable Inputs (Level 3) [Member] Long-term Debt, Type [Axis] Unsecured Debt [Member] Cash [Member] Related Party Transaction [Axis] Early Bird Capital, Inc. ("EBC") [Member] Equity Components [Axis] Ordinary Shares [Member] Additional Paid-In Capital [Member] Accumulated Earnings [Member] Document And Entity Information Entity Registrant Name Entity Central Index Key Document Type Document Period End Date Amendment Flag Current Fiscal Year End Date Entity Well-known Seasoned Issuer Entity Voluntary Filer Entity Reporting Status Current Entity Filer Category Entity Public Float Entity Common Stock, Shares Outstanding Document Fiscal Period Focus Document Fiscal Year Focus Statement of Financial Position [Abstract] Assets Cash Prepaid assets Total Current Assets Cash held in Trust Account Total assets Liabilities and Shareholders' Equity Accounts payable and accrued expense Due to related parties Total current liabilities Commitments Ordinary shares subject to possible redemption, 20,251,819 and 20,199,048 shares at redemption value at March 31, 2018 and December 31, 2017, respectively Shareholders' Equity: Preferred shares, $0.0001 par value; 2,000,000 shares authorized; no shares issued and outstanding Ordinary shares, $0.0001 par value; 200,000,000 shares authorized; 6,071,273 shares (excluding 20,251,819 shares subject to possible redemption) and 6,124,044 shares (excluding 20,199,048 shares subject to possible redemption) issued and outstanding at March 31, 2018 and December 31, 2017, respectively Additional paid-in capital Accumulated earnings Total shareholders' equity Total Liabilities and Shareholders' Equity Ordinary shares, redemption Preferred stock, par value (in dollars per share) Preferred stock, authorized Preferred stock, issued Preferred stock, outstanding Ordinary shares, par value (in dollars per share) Ordinary shares, authorized Ordinary shares, issued Ordinary shares, outstanding Income Statement [Abstract] Operating costs Loss from operations Other income (loss) Realized loss from sale of investment Interest income Total other income Net income Weighted average shares outstanding, basic and diluted (in shares) Basic and diluted net income per ordinary share (in dollars per share) Statement [Table] Statement [Line Items] Increase (Decrease) in Stockholders' Equity [Roll Forward] Balance at beginning Balance at beginning (in shares) Reclassification of ordinary shares subject to possible redemption Reclassification of ordinary shares subject to possible redemption (in shares) Net income (loss) Balance at ending Balance at ending (in shares) Statement of Stockholders' Equity [Abstract] Ordinary shares subject to possible redemption Statement of Cash Flows [Abstract] Cash Flows from Operating Activities: Net income Adjustments to reconcile net income to net cash used in operating activities: Realized loss from sale of investment Interest earned on investment held in Trust Account Changes in current assets and current liabilities: Prepaid assets Accounts payable and accrued expense Due to related parties Net cash used in operating activities Cash Flows from Investing Activities: Proceeds from sale of investment held in Trust Account Purchase of investment held in Trust Account Net cash used in investing activities Net Decrease in Cash Cash - Beginning Cash - Ending Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization and Business Operations Accounting Policies [Abstract] Significant Accounting Policies Equity [Abstract] Initial Public Offering Private Placements Related Party Transactions [Abstract] Related Party Transactions Investment Held In Trust Account Investment Held in Trust Account Commitments and Contingencies Disclosure [Abstract] Commitments & Contingencies Shareholder's Equity Subsequent Events [Abstract] Subsequent Events Basis of Presentation Emerging Growth Company Status Offering Costs Use of Estimates Cash and Cash Equivalents Investment Held in Trust Account Fair Value Measurements Ordinary Shares Subject to Possible Redemption Warrants and Rights Net Income per Ordinary Share Concentration of Credit Risk Income Taxes Recent Accounting Pronouncements Schedule of fair value measurements Investment Held In Trust Account Tables Schedule of fair value of held to maturity securities Number of shares issued in transaction Proceeds from issuance initial public offering Units (in dollars per share) Proceeds from issuance of private placement Additional proceeds from offering Description of redemption settlement terms Limit of net tangible assets Costs of liquidating Proceeds from sale of ordinary shares to initial shareholders Proceeds and repayments of sponsor loan Proceeds from issuance of non-convertible promissory note Investment held in trust account, fair value Fair Value Hierarchy and NAV [Axis] Investment held in trust account Federal depository insurance coverage Offering costs Underwriters' fees Other cash expenses Non-cash charge Subsidiary or Equity Method Investee, Sale of Stock by Subsidiary or Equity Investee [Table] Subsidiary, Sale of Stock [Line Items] Number of unit issued (in shares) Description of number of shares consisted in each unit Exercise price (in dollars per share) Proceeds from warrants issued Number of shares issued Aggregate amount of issued shares Number of shares forfeiture Description of owned shares by initial shareholders Description of transfer, assign or sell of insider shares Principal amount Interest rate terms Repayments of debt Description of working capital loans conversion Amount due to related parties Schedule of Cash and Cash Equivalents [Table] Cash and Cash Equivalents [Line Items] Investment held in trust account, carrying value Gross Unrealized Holding Loss Net carrying value Additional underwriting discount Unit price (in dollars per share) Terms of cash underwriting discount Description of cash fees Cash payment for offering Gross proceeds from offering Expected life Fair value Fair value (in dollars per unit) Expected volatility Risk-free interest rate (in percent) Common stock, par value (in dollars per share) Common stock, authorized Common stock, issued Description of warrant redemption Subsequent Event [Table] Subsequent Event [Line Items] It represents as a additional proceeds from issuance initial public offering. It represents as a additional underwriting discount. Represents the assets held in trust noncurrent fair value. It represents as a costs of liquidating. Description of cash fees. Represents as description of owned shares by initial shareholders. Represents as a description of transfer assign or sell of insider shares. Description of warrant redemption. Represents as a description of working capital loans convertion. Information by type of related party transaction. Disclosure of accounting policy for emerging growth company. Refers to amount of fair value for purchase option. Refers to per share amount of fair value for purchase option. The entire disclosure for initial public offering. Represents the interest earned on investment held in trust account. Disclosure of accounting policy for investment held in trust account policy. Entire disclosure to investment held in trust account text block. Limit amount of net tangible assets. The amount of net carrying value. Disclosure of accounting policy for offering costs. Represents the other cash expenses. The entire disclosure for private placement. Represents the proceeds from repayments of sponsor loan. Represents the reclassification of ordinary share value subject to possible redemption. Number of shares reclassification of ordinary shares subject to possible redemption. Information about legal entity. Refers to terms of cash underwriting discount. Information about legal entity. Information about legal entity. Represents the underwriters fees. Information by category of arrangement, including but not limited to collaborative arrangements and non-collaborative arrangements. Period the instrument, asset or liability is expected to be outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price. Risk-free interest rate assumption used in valuing an instrument. Assets, Current Assets [Default Label] Liabilities, Current Stockholders' Equity Attributable to Parent Liabilities and Equity Operating Income (Loss) Other Nonrecurring Income Shares, Outstanding InterestEarnedOnInvestmentHeldInTrustAccount Increase (Decrease) in Prepaid Expense Increase (Decrease) in Accounts Payable and Accrued Liabilities Increase (Decrease) in Due to Related Parties Net Cash Provided by (Used in) Operating Activities Payments to Acquire Investments Net Cash Provided by (Used in) Investing Activities Cash and Cash Equivalents, Period Increase (Decrease) InvestmentHeldInTrustAccountPolicyTextBlock Trading Securities, Unrealized Holding Loss