Annual report pursuant to Section 13 and 15(d)

Subsequent Events (Details)

Subsequent Events (Details) - USD ($)
1 Months Ended 12 Months Ended
Mar. 15, 2019
Mar. 08, 2019
Dec. 31, 2018
Jul. 07, 2019
Redemption of common stock     5,128,523  
Cash paid to redeeming stock holders     $ 52,829,304  
Cash paid per share to redeeming stock holders     $ 10.30  
Company loaned for repayment to stockholders     $ 573,433  
Initial loan was repaid     573,433  
Cash and marketable securities held in trust account     $ 65,633,068  
Business combination share price     $ 10.00  
Subsequent Event [Member]        
Public Shares not redeemed   6,371,477    
Price per share   $ 0.09   $ 0.03
Description of expense reimbursement agreement The Expense Reimbursement Agreement is effective January 1, 2019 until the earlier of (i) the consummation of a Business Combination or (ii) the Company's liquidation. Under the Expense Reimbursement Agreement, the Company will reimburse the Sponsor for the compensation expense incurred by KBL Management for its employee in the amount of $180,000 per year plus health insurance costs of $1,139 per month. At the Company's election, the Company may pay amounts due pursuant to a non-interest bearing, unsecured promissory note.      
Amounts due under expense reimbursement agreement $ 41,079      
Subsequent Event [Member] | Promissory Note [Member]        
Loans under promissory note may be converted $ 1,000,000      
Business combination share price $ 10.00      
Outstanding under promissory note $ 1,087,031      
Initial loan from sponsor $ 573,433