Sale of Stock [Axis] Initial Public Offering [Member] Private Placement [Member] Related Party [Axis] Initial Stockholders [Member] Over-Allotment Option [Member] Underwriters [Member] Trust Account [Member] Type of Arrangement and Non-arrangement Transactions [Axis] Trust Agreement [Member] Range [Axis] Minimum [Member] Maximum [Member] Affiliates [Member] Outside Trust Account [Member] Major Types of Debt and Equity Securities [Axis] US Treasury Securities [Member] Debt Instrument [Axis] Unsecured Promissory Note [Member] Underwriting Agreement [Member] M SPAC Holdings I LLC [Member] $100 Unit Purchase Option [Member] Demand and "Piggy Back" Registration Rights [Member] Affiliated Entity [Member] Equity Components [Axis] Founders' shares [Member] Document And Entity Information Entity Registrant Name Entity Central Index Key Document Type Trading Symbol Document Period End Date Amendment Flag Current Fiscal Year End Date Entity a Well-known Seasoned Issuer Entity a Voluntary Filer Entity's 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 Current Assets: Cash and cash equivalents Prepaid expenses and other current assets Total current assets Cash and cash equivalents held in trust Total Assets Liabilities and Stockholder's Equity Current Liabilities: Accounts payable and accrued expenses Accounts payable - related party Offering costs payable Note payable Total Current Liabilities Deferred underwriting fee payable Total Liabilities Commitments Common stock subject to possible conversion (4,718,573 and 4,748,033 shares at conversion value as of September 30, 2017 and December 31, 2016) Stockholders' Equity: Preferred stock, $0.001 par value; 1,000,000 authorized none issued and outstanding Common stock, $0.001 par value; 30,000,000 shares authorized; 2,340,170 and 2,310,710 shares issued and outstanding (excluding 4,718,573 and 4,748,033 shares subject to possible conversion) at September 30, 2017 and December 31, 2016, respectively Additional paid in capital Accumulated deficit Total Stockholders' Equity Total Liabilities and Stockholders' Equity Common stock, conversion value Preferred stock, par value (in dollars per share) Preferred stock, authorized Preferred stock, issued Preferred stock, outstanding Common stock, par value (in dollars per share) Common stock, authorized Common stock, issued Common stock, outstanding Common stock subject to possible conversion Income Statement [Abstract] EXPENSES Administration fee - related party Operating costs TOTAL EXPENSES OTHER INCOME Extinguishment of debt Settlement income Interest income TOTAL OTHER INCOME Net income (loss) Net income (loss) per shares of common stock - basic and diluted (in dollars per share) Weighted average shares of common stock outstanding - basic and diluted (in shares) Statement of Cash Flows [Abstract] Cash Flows From Operating Activities: Net loss Gain on extinguishment of debt Interest earned on cash and securities held in Trust Account Adjustments to reconcile net loss to net cash used in operating activities: Accrued interest income Formation and organization costs paid by related parties Changes in operating assets and liabilities: Prepaid expenses Accounts payable and accrued expenses Accounts payable - related party Net Cash Provided By (Used In) Operating Activities Cash Flows From Investing Activities: Interest released from Trust Account Cash deposited into Trust Account Net Cash Provided By (Used In) Investing Activities Cash Flows From Financing Activities: Proceeds from public offering, net of offering costs Proceeds from insider units Payments of related party notes Proceeds from related party advances Payments of related party advances Payments of offering costs Net Cash Provided By Financing Activities Net change in cash and cash equivalents Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Supplemental disclosure of non-cash financing activities: Reclassification of deferred offering costs to equity Payment of deferred offering costs by issuance of notes and related party notes Common stock subject to possible conversion Deferred Underwriting commission Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Plan of Business Operations and Going Concern Consideration Accounting Policies [Abstract] Significant Accounting Policies Equity [Abstract] Initial Public Offering Private Units Private Units Payables and Accruals [Abstract] Notes Payable Commitments and Contingencies Disclosure [Abstract] Commitments Stockholder's Equity Basis of presentation Emerging Growth Company Cash and Cash Equivalents Marketable securities held in Trust Account Fair value of financial instruments Use of Estimates Concentration of credit risk Net Income (Loss) Per Common Share Common stock subject to possible conversion Income Taxes Related Parties Settlement Income Subsequent Events Recent Accounting Pronouncements Significant Accounting Policies Tables Schedule of Reconciliation of net income (loss) per common share Statement [Table] Statement [Line Items] Number of units issued Gross proceeds from issuance Net proceeds from offering Transaction costs of offering Shares price (in dollars per share) Issuance costs Deferred underwriting fee Amount of business transaction Minimum net tangible assets proceed with business combination Percentage of conversion rights Percentage of shares sold Deposit Maximum costs of liquidation Interest income Working capital deficit Significant Accounting Policies Details Net income (loss) Less: Income attributable to common shares subject to redemption Adjusted net income (loss) Weighted average shares outstanding, basic and diluted (in shares) Basic and diluted net income (loss) per common share (in dollars per share) Marketable securities Maturity description Number of shares excludes subject to possible conversion Maximum number of shares forfeiture Interest income Number of units issued, value Shares issued price per share Description initial public offering Stock issuance cost Number of shares issued Gross proceeds from issuance Principal amount Description of interest rate terms Description of payments terms Repayment of debt Legal Entity [Axis] Chardan Capital Markets, LLC [Member] Percentage of underwriting discount on offering gross proceeds Maximum deferred underwriting discount Aggregate underwriting discount Number of beneficial interest Percentage of warrant solicitation fee Cash receipt Sale of stock (in dollars per unit) Expiration period Fair value Fair value (in dollars per unit) Expected volatility Risk-free interest rate Expected life Administrative service fee Common stock, previously authorized Number of shares issued, value Description of escrow shares Number of shares forfeited and cancelled Refers to the amount related to cash and cash equivalents held in trust as on balance sheet date. Refers to the amount related to accrued offering costs payable as on balance sheet date. Refes to number of shares excludes subject to possible conversion during the period. Refers to the amount related to formation and organization costs paid by related parties during the period. Represents interest released from trust account. Refers to the amount of cash deposited into trust account. Refers to the amount related to payment of deferred offering costs by issuance of notes and related party notes incurred during the period. The entire disclosure of initial public offering. The entire disclosure of private units. Disclosure of accounting policy of emerging growth company. The entire disclosure of common stock subject to possible conversion policy. The entire disclosure of related parties policy. Information by type of related party. Related parties include, but not limited to, affiliates; other entities for which investments are accounted for by the equity method by the entity; trusts for benefit of employees; and principal owners, management, and members of immediate families. It also may include other parties with which the entity may control or can significantly influence the management or operating policies of the other to an extent that one of the transacting parties might be prevented from fully pursuing its own separate interests. Information by type of related party. Related parties include, but not limited to, affiliates; other entities for which investments are accounted for by the equity method by the entity; trusts for benefit of employees; and principal owners, management, and members of immediate families. It also may include other parties with which the entity may control or can significantly influence the management or operating policies of the other to an extent that one of the transacting parties might be prevented from fully pursuing its own separate interests. Information by type of related party. Related parties include, but not limited to, affiliates; other entities for which investments are accounted for by the equity method by the entity; trusts for benefit of employees; and principal owners, management, and members of immediate families. It also may include other parties with which the entity may control or can significantly influence the management or operating policies of the other to an extent that one of the transacting parties might be prevented from fully pursuing its own separate interests. Information about agreement. Information by type of related party. Related parties include, but not limited to, affiliates; other entities for which investments are accounted for by the equity method by the entity; trusts for benefit of employees; and principal owners, management, and members of immediate families. It also may include other parties with which the entity may control or can significantly influence the management or operating policies of the other to an extent that one of the transacting parties might be prevented from fully pursuing its own separate interests. Information by type of related party. Refers to deferred underwriting fee incurred during the period. Percentage of conversion rights. Refers to percentage of shares sold. Refers to cost of liquidation incurred during the period. Refers to maximum number of shares forfeiture during the period. Represents investment income interest. Description of initial public offering terms. Refers to gross proceeds from issuance during the period. Debt obligation not collateralized by pledge of, mortgage of or other lien on the entity's assets. Information about agreement. Information by type of related party. Related parties include, but not limited to, affiliates; other entities for which investments are accounted for by the equity method by the entity; trusts for benefit of employees; and principal owners, management, and members of immediate families. It also may include other parties with which the entity may control or can significantly influence the management or operating policies of the other to an extent that one of the transacting parties might be prevented from fully pursuing its own separate interests. Infomation about legal enity. Information by type of sale of the entity's stock Represents demand and piggy back registration rights. Refers to percentage of underwriting discount on offering gross proceeds. Refers to percetage of maximum deferred underwriting discount. Refers to aggregate underwriting discount percentage. Refers to percentage of warrant solicitation fee. Refers to cash inflow associated with transaction. Refers to expiration period, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Refers to fair value of offering transaction. Information related to founders shares. The maximum number of common shares permitted to be issued by an entity's charter and bylaws. Description about escrow shares, It represents number of shares forfeited and cancelled during the period. Refers to amount of reclassification of deferred offering costs to equity incurred during the period. Refers to the amount of deferred underwriting commission incurred during the period. Refers to amount of accrued interest income incurred during the period. Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities. Assets, Current Assets [Default Label] Liabilities, Current Liabilities Stockholders' Equity Attributable to Parent Liabilities and Equity Operating Expenses Nonoperating Income (Expense) InterestEarnedOnCashAndSecuritiesHeldInTrustAccount AccruedInterestIncome Increase (Decrease) in Prepaid Expense Increase (Decrease) in Accounts Payable and Accrued Liabilities Increase (Decrease) in Accounts Payable, Related Parties Net Cash Provided by (Used in) Operating Activities InterestReleasedFromTrustAccount PaymentsForCashDepositedIntoTrustAccount Net Cash Provided by (Used in) Investing Activities Repayments of Notes Payable Payments of Financing Costs Net Cash Provided by (Used in) Financing Activities Cash and Cash Equivalents, Period Increase (Decrease) Conversion of Stock, Amount Issued PrivateUnitsTextBlock Commitments Disclosure [Text Block] CommonStockSubjectToPossibleConversionPolicyTextBlock Investment Income, Interest and Dividend Preferred Stock Dividends, Income Statement Impact Net Income (Loss) Available to Common Stockholders, Basic InvestmentIncomeInterest1