Equity Components [Axis] Common Stock Additional Paid-In Capital Retained Earnings/(Accumulated Deficit) Debt Instrument [Axis] Promissory Note 1 Promissory Note 2 Document And Entity Information Entity Registrant Name Entity Central Index Key Document Type Document Period End Date Amendment Flag Current Fiscal Year End Date Is Entity's Reporting Status Current? Entity Filer Category Entity Emerging Growth Company Entity Ex Transition Period Entity Small Business Entity Shell Company Entity Common Stock, Shares Outstanding Document Fiscal Period Focus Document Fiscal Year Focus 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 Total assets LIABILITIES AND STOCKHOLDERS' EQUITY Current Lliabilities Accounts payable and accrued expenses Income taxes payable Total current liabilities Promissory note - related party Promissory notes payable Total liabilities Commitments and contingencies (Note 5) Common stock subject to possible redemption, 3,258,579 and 6,310,461 shares at redemption value as of September 30, 2019 and December 31, 2018, respectively Stockholders' Equity Preferred stock, $0.001 par value; 1,000,000 authorized; none issued and outstanding Common stock, $0.001 par value; 100,000,000 shares authorized; 2,810,261 and 2,725,039 shares issued and outstanding (excluding 3,258,579 and 6,310,461 shares subject to possible redemption) as of September 30, 2019 and December 31, 2018, respectively Additional paid-in capital Retained earnings/(accumulated deficit) Total stockholders' equity Total liabilities and stockholders' equity Common stock subject to possible redemption Preferred stock, par value Preferred stock, authorized Preferred stock, issued Preferred stock, outstanding Common stock, par value Common stock, authorized Common stock, issued Common stock, outstanding Common stock, subject to possible redemption Income Statement [Abstract] Operating expenses Loss from operations Other Income: Interest income Unrealized gain on marketable securities held in Trust Account Other income, net Income before provision for income taxes Provision for income taxes Net income Weighted average shares outstanding, basic and diluted Basic and diluted net loss per common share Statement [Table] Statement [Line Items] Beginning balance, shares Beginning balance, amount Change in value of common stock subject to possible redemption, shares Change in value of common stock subject to possible redemption, amount Capital contribution to Trust Account to extend the date by which the Company is required to consummate a Business Combination Net income Ending balance, shares Ending balance, amount Statement of Cash Flows [Abstract] Cash Flows from Operating Activities: Adjustments to reconcile net income to net cash used in operating activities: Interest earned on cash and marketable securities held in Trust Account Unrealized loss on marketable securities held in Trust Account Changes in operating assets and liabilities: Prepaid expenses and other current assets Accounts payable and accrued expenses Income taxes payable Net cash used in operating activities Cash Flows from Investing Activities: Cash withdrawn from Trust Account to pay redeeming stockholders Cash withdrawn from Trust Account to pay franchise and other taxes Investment of cash in Trust Account Net cash provided by investing activities Cash Flows from Financing Activities: Proceeds from promissory notes Proceeds from promissory note - related party Repayment of promissory note - related party Redemption of common stock Payment of offering costs Net cash used in financing activities Net change in cash Cash - beginning Cash - ending Non-cash investing and financing activities: Change in value of common stock subject to possible redemption Capital contribution to Trust Account Organization, Consolidation and Presentation of Financial Statements [Abstract] DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS Liquidity LIQUIDITY Accounting Policies [Abstract] SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Debt Disclosure [Abstract] INVESTOR AGREEMENT AND PROMISSORY NOTES Commitments and Contingencies Disclosure [Abstract] COMMITMENTS AND CONTINGENCIES Stockholders' Equity Attributable to Parent [Abstract] STOCKHOLDERS' EQUITY Subsequent Events [Abstract] SUBSEQUENT EVENTS Basis of presentation Use of estimates Cash and marketable securities held in Trust Account Net loss per common share Reconciliation of net loss per common share Reconciliation of net loss per common share State of incorporation Date of incorporation Marketable securities held in Trust Account Less: income attributable to common stock subject to possible redemption Adjusted net loss Cash withdrawn from Trust Account Promissory note payable Assets, Current Assets Liabilities, Current Liabilities Stockholders' Equity Attributable to Parent Liabilities and Equity Operating Income (Loss) Nonoperating Income (Expense) Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Income Tax Expense (Benefit) Shares, Outstanding Marketable Securities, Gain (Loss) Increase (Decrease) in Prepaid Expense and Other Assets Increase (Decrease) in Accounts Payable and Accrued Liabilities Increase (Decrease) in Income Taxes Payable Net Cash Provided by (Used in) Operating Activities Repayments of Bank Debt Net Cash Provided by (Used in) Investing Activities Repayments of Notes Payable Payments for Repurchase of Common Stock Payments of Stock Issuance Costs Net Cash Provided by (Used in) Financing Activities Cash and Cash Equivalents, Period Increase (Decrease) Marketable Securities, Policy [Policy Text Block] Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Net Income (Loss) Available to Common Stockholders, Basic