XML 21 R7.htm IDEA: XBRL DOCUMENT v3.20.1
Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) - shares
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Sale of Units, net of underwriting discounts   20,000,000
Sale of Private Placement Units   250,000
Sale of Private Placement Warrants   3,500,000
Over-Allotment Option [Member] | Underwriters [Member]    
Number of shares forfeited 750,000