Amendment Flag Current Fiscal Year End Date Document Period End Date Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Filer Category Entity Registrant Name Entity Central Index Key Entity Common Stock, Shares Outstanding Document Fiscal Year Focus Document Fiscal Period Focus Document Type SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract] Accrued expenses Additional paid-in capital Adjustments to reconcile net loss to net cash used in operating activities: Antidilutive Securities [Axis] Common stock excluded in the calculation of diluted net income (loss) per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities, Name [Domain] ASSETS Assets [Abstract] Total Assets Assets Held-to-maturity securities held in Trust Account Cash held in trust account Total Current Assets Assets, Current Current Assets Cash and held-to-maturity securities held in Trust Account Assets [Abstract] Assets Held-in-trust [Abstract] Basis of Presentation SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Initial Stockholders' [Member] Beneficial Owner [Member] Common stock adjusted in merger agreement (in shares) MERGER [Abstract] Cash and Cash Equivalents Cash [Member] Net Change in Cash Cash, Period Increase (Decrease) Cash - Beginning of period Cash - Ending of period Cash Cash and Cash Equivalents [Axis] Warrants to purchase shares (in shares) Number of securities called by each warrant (in shares) Class of Stock [Line Items] Class of Stock [Line Items] Warrant exercise price (in dollars per share) Warrant exercise price (in dollars per share) Class of Warrant or Right, Exercise Price of Warrants or Rights COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] COMMITMENTS AND CONTINGENCIES [Abstract] Commitments and Contingencies Commitments and Contingencies Common Stock [Member] Common Stock, shares authorized (in shares) Common Stock, par value (in dollars per share) Common Stock, shares issued (in shares) Common Stock, shares outstanding (in shares) Common stock shares outstanding (in shares) Common stock, $0.0001 par value; 35,000,000 shares authorized; 7,788,595 and 7,780,627 shares issued and outstanding (excluding 16,104,738 and 16,112,706 shares subject to possible redemption) as of June 30, 2018 and December 31, 2017, respectively Concentration of Credit Risk Principles of Consolidation Offering costs [Abstract] Deferred Costs, Current [Abstract] Outstanding loan Due to Related Parties, Current Net income (loss) per common share [Abstract] Weighted average shares outstanding Basic (in dollars per share) Earnings Per Share, Basic Net Income (Loss) per Common Share Earnings Per Share, Policy [Policy Text Block] Diluted (in dollars per share) Net income (loss) per common share Equity Component [Domain] STOCKHOLDERS' EQUITY [Abstract] FAIR VALUE MEASUREMENTS [Abstract] Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] Fair Value Hierarchy and NAV [Axis] Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Table] Fair Value Hierarchy and NAV [Domain] FAIR VALUE MEASUREMENTS Fair Value of Financial Instruments Assets Measured at Fair Value Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Financial Instrument [Axis] Debt Securities, Held-to-maturity [Abstract] Gross Holding Gains and Fair Value of Held-to-Maturity Securities Debt Securities, Held-to-maturity, Fair Value to Amortized Cost [Abstract] Amortized Cost Debt Securities, Held-to-maturity Fair Value Maturity date Income before taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) [Abstract] Provision for income taxes Income Tax Expense (Benefit) Income Taxes Income taxes [Abstract] Income Tax Uncertainties [Abstract] Income taxes payable Increase (Decrease) in Income Taxes Payable Accrued expenses Increase (Decrease) in Accrued Liabilities Prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Changes in operating assets and liabilities: Interest income Sponsor [Member] Investor [Member] Initial Public Offering [Member] IPO [Member] LIABILITIES AND STOCKHOLDERS' EQUITY Total Liabilities Liabilities TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities and Equity Current Liabilities Total Current Liabilities Liabilities, Current Loss Contingencies [Line Items] Loss Contingencies [Table] MERGER DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS Cash Flows from Financing Activities: Net cash provided by financing activities Net Cash Provided by (Used in) Financing Activities Net cash provided by (used) in investing activities Net Cash Provided by (Used in) Investing Activities Cash Flows from Investing Activities: Cash Flows from Operating Activities: Net cash used in operating activities Net Cash Provided by (Used in) Operating Activities Net loss Net Income (Loss) Recently Issued Accounting Standards Non-Cash investing and financing activities: Other income: Promissory note - related party Over-allotment option [Member] Over-Allotment Option [Member] Loss from operations Operating Income (Loss) Operating costs DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS [Abstract] Investment of cash in Trust Account Payments for (Proceeds from) Investments Underwriting fees Payments for Underwriting Expense Payment of offering costs Payments of Stock Issuance Costs Consideration paid in cash Preferred Stock, par value (in dollars per share) Preferred Stock, shares authorized (in shares) Preferred Stock, shares issued (in shares) Preferred stock, $0.0001 par value; 5,000,000 authorized, none issued and outstanding Preferred Stock, shares outstanding (in shares) Prepaid expenses and other current assets Placement Units [Member] Private Placement [Member] Cash withdrawn from Trust Account Proceeds from sale of Placement Units Proceed from issuance of common stock to Initial Stockholders Proceeds from sale of Units, net of underwriting discounts paid Proceeds from Issuance or Sale of Equity Proceeds from promissory note - related party Legal fees Professional Fees RELATED PARTY TRANSACTIONS [Abstract] Related Party Transaction [Line Items] Related Party Transaction [Domain] Related Party Loans [Abstract] Related Party [Domain] Related Party [Axis] RELATED PARTY TRANSACTIONS Related Party Transaction [Axis] Repayment of promissory note - related party Working capital loans settled in cash Repayments of Related Party Debt Cash and Cash Equivalents [Domain] Consideration held in escrow Restricted Cash Accumulated deficit Sale of Stock [Domain] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Debt Securities, Held-to-maturity [Table] Schedule of Held-to-maturity Securities [Line Items] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Share price (in dollars per share) Share Price CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) [Abstract] CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) [Abstract] Equity Components [Axis] Forfeiture of shares (in shares) Issuance of common stock (in shares) Redemption of common stock (in shares) Stock Redeemed or Called During Period, Shares Total payment for redemption Stock Redeemed or Called During Period, Value STOCKHOLDERS' EQUITY Total Stockholders' Equity Stockholders' Equity Attributable to Parent Stockholders' Equity Stockholders' Equity Attributable to Parent [Abstract] Stockholders' Equity Note [Abstract] Subsequent Event Type [Domain] SUBSEQUENT EVENTS [Abstract] Subsequent Event Type [Axis] SUBSEQUENT EVENTS Subsequent Event [Member] Subsidiary or Equity Method Investee, Sale of Stock by Subsidiary or Equity Investee [Table] Sale of Stock [Axis] Subsidiary, Sale of Stock [Line Items] Income taxes payable Common stock subject to possible redemption, par value (in dollars per share) Common stock subject to possible redemption (in shares) Common stock subject to possible redemption, shares (in shares) Common stock subject to possible redemption, shares (in shares) Common stock subject to possible redemption, $0.0001 par value; 16,104,738 and 16,112,706 shares (at redemption value of approximately $10.00 per share as of June 30, 2018 and December 31, 2017, respectively) Common stock subject to possible redemption, redemption value per share (in dollars per share) Common stock subject to possible redemption [Abstract] Temporary Equity [Abstract] Financial Instruments [Domain] Accrued interest and tax penalties Unrecognized tax benefits Unrecognized Tax Benefits Use of Estimates US Treasury Securities [Member] Warrants [Member] Public Warrants [Member] Warrant [Member] Loans converted into warrants Warrants [Abstract] Basic (in shares) Common stock included in the calculation of diluted net income per share (in shares) Diluted (in shares) Maximum [Member] Minimum [Member] Range [Domain] Range [Axis] Per share amount received by subsidiary or equity investee for each unit of equity issued or sold in the equity transaction. Sale of Units, Price Per Unit Price per unit (in dollars per share) Threshold period of specified trading days that common stock price exceeds threshold price per share, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Trading Days Threshold Trading day threshold period The number of securities into which each unit may be converted. For example, but not limited to, each unit may be converted into two shares of common stock. Units, number of securities called by units Number of securities called by each unit (in shares) The number of business days after the closing of a Business Combination, the entity will use its best efforts to file with the SEC a registration statement for the registration. Number of Business Days to File Registrant Statement Number of business days to file registrant statement Class of warrant or right warrant exercisable period after completion of initial business combination. Warrant Exercisable Period after Completion of Initial Business Combination Warrants exercisable period on completion of business combination Number of trading days for common stock price to exceed threshold, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Number of Trading Days Number of trading days Period of time required before warrants become exercisable after the completion of a Business Combination, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Period Required For Warrants To Become Exercisable Period for warrants to become exercisable Period to provide written notice to redeem warrants, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Notice Period to Redeem Warrants Notice period to redeem warrants Borrowings made to finance the everyday operations of the entity. Working Capital Loans [Member] The class of warrants right conversion feature, for example but not limited to, one warrant may be converted into two or one half of one whole warrant may be converted into one. Class of Warrant or Right, Conversion Number Warrants conversion (in shares) Maximum borrowing capacity under a commitment from a related party to provide funds as may be required. Related Party Transaction, Maximum Borrowing Capacity Loan commitment amount The amount of credit line commitments from a related party that released for working capital purposes. Related Party Transaction, Credit Line, Amount Available for Working Capital Amounts released to the company for working capital The price per share at which stock of the entity can be redeemed by the holders. Redemption Price Per Share Warrants redemption price (in dollars per share) Redemption price (in dollars per share) Document and Entity Information [Abstract] Represents the number of voting rights each holder of the common stock is entitled to per share of common stock held. Common Stock Voting Rights Per Share Common stock, voting right per share Amount of accumulated unrealized gain loss on investment in debt security measured at amortized cost (held-to-maturity). Debt Securities Held To Maturity Accumulated Unrecognized Gain Loss Gross Holding Gains (Losses) The deferred fee as a percentage of the gross proceeds of an Initial Public Offering paid to the underwriter. Deferred Underwriter, Fee Discount Percentage of deferred fee on gross proceeds of IPO Percentage of the gross proceeds of an Initial Public Offering paid to the underwriter. Underwriter, Fee Discount Percentage of underwriting discount The Percentage of deferred fee on gross proceeds of the units sold in the Initial Public Offering pursuant to the overallotment option. Deferred Underwriter, Fee Discount, Overallotment Option Percentage of deferred fee on units sold in overalltoment option Underwriting Agreement [Abstract] Underwriting Agreement [Abstract] Deferred Legal Fees [Abstract] Deferred Legal Fees [Abstract] Number of shares (or other type of equity) which are not subject to forfeiture during the period. Number of Shares Not Subject to Forfeiture Shares not subject to forfeiture (in shares) Number of shares of common stock subject to forfeiture in the event of the over-allotment option was not exercised by the underwriters. Common Stock, Shares, Subject to Forfeiture Shares subject to forfeiture (in shares) The equity interest that is issued to Founders. Founder Shares [Member] The ownership interest percentage threshold for the Company's issued and outstanding shares after the Initial Public Offering for the Founder Shares. Ownership Interest Percentage Threshold Initial stockholders ownership percentage The number of units issued or sold by the subsidiary or equity method investee per stock transaction. Sale of Units, Number of Units Issued in Transaction Units issued to underwriters (in shares) Sale of units (in shares) Founder Shares [Abstract] Founder Shares [Abstract] Number of wholly owned subsidiary owned by the entity. Number of Wholly Owned Subsidiaries Number of wholly owned subsidiaries Number of new units issued during the period. Each unit consists of one share of common stock and one half of one whole warrant to purchase one share of common stock. Units Issued During Period, Shares, New Issues Number of units issued (in shares) Description of Operations and Activity [Abstract] Carrying amount as of the balance sheet date of advances from related parties. Advances from Related Parties, Current Advances from related party Carrying value as of the balance sheet date of obligations incurred through that date and payable for professional fees, such as for legal and accounting services received initially due after one year or beyond the operating cycle if longer, excluding current portion. Accrued Professional Fees, Noncurrent Deferred legal fees payable Carrying value as of the balance sheet date of outstanding underwriting fee payable initially due after one year or beyond the operating cycle if longer, excluding current portion. Deferred Underwriting Fee Payable Non Current Deferred underwriting fees Amount of costs incurred for offering of Units in Initial Public Offering and Private Placement of Warrants. Offering Costs Offering costs The amount of interest earned on held-to-Maturity securities held in trust account. Interest Earned on Held-to-Maturity securities Held In Trust Account Interest earned on held-to-maturity securities held in Trust Account The cash outflow for the purchase of investments that will be held in a decommissioning trust fund. Cash Deposited into Trust Account Cash deposited into Trust Account The amount of deferred underwriting fees charged to additional paid in capital from noncash transactions. Deferred Underwriting Fees Charged to Additional Paid in Capital Deferred underwriting fees charged to additional paid in capital Non-cash investing and financing activities of initial classification of common stock subject to possible redemption. Initial Classification of Common Stock Subject to Possible Redemption Initial classification of common stock subject to possible redemption Amount of cash inflow as a result of advances received from related party during the period. Advances From Related Parties Advances from related party The amount of change in value of common stock subject to possible redemption from noncash transactions. Increase (Decrease) in Value of Common Stock Subject to Possible Redemption Change in value of common stock subject to possible redemption Non-cash investing and financing activities of deferred legal fees charged to additional paid in capital. Deferred Legal Fees Charged to Additional Paid in Capital Deferred legal fees charged to additional paid in capital Disclosure of accounting policy for cash and marketable securities held in trust account. Cash And Marketable Securities Held In Trust Account [Policy Text Block] Cash and Held-to-maturity Securities Held in Trust Account Disclosure of accounting policy for offering costs consist of legal, accounting, underwriting fees and other costs incurred through the balance sheet date that are directly related to the Initial Public Offering. Offering costs [Policy Text Block] Offering Costs Disclosure of accounting policy for common stock subject to possible redemption. Common Stock Subject to Possible Redemption [Policy Text Block] Common Stock Subject to Possible Redemption