Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details)

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Summary of Significant Accounting Policies (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
Summary of Significant Accounting Policies (Textual)          
Common stock subject to possible redemption, shares 3,903,924   3,903,924   10,778,788
Description of net income (loss) per common share     The Company has not considered the effect of (1) warrants sold in the Initial Public Offering and Private Placement to purchase 6,001,250 shares of common stock and (2) rights sold in the Initial Public Offering and Private Placement that convert into 1,200,250 shares of common stock, in the calculation of diluted income per share, since the exercise of the warrants and the conversion of the rights into shares of common stock is contingent upon the occurrence of future events and the inclusion of such warrants and rights would be anti-dilutive under the treasury stock method.    
Federal depository insurance coverage amount $ 250,000   $ 250,000    
Cash and marketable securities held in trust account 1,700   1,700   $ 49,535,742
U.S. Treasury Bills 118,164,248   118,164,248   492,572
Deferred tax assets 270,000   270,000   162,000
Deferred tax assets, Valuation allowance 270,000   270,000   $ 162,000
Income tax expense $ 70,423 $ 126,280 $ 166,238 $ 202,433  
Effective tax rate 118.00% 37.00% 43.00% 34.00%