Annual report pursuant to Section 13 and 15(d)

Statements of Changes in Shareholders' Equity (Parenthetical)

v3.20.4
Statements of Changes in Shareholders' Equity (Parenthetical) - shares
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Subsidiary, Sale of Stock [Line Items]    
Sale of stock units   10,800,000
Private Units [Member]    
Subsidiary, Sale of Stock [Line Items]    
Sale of stock units 395,000 395,000