XML 74 R60.htm IDEA: XBRL DOCUMENT v3.21.1
Equity - Warrants - Exercise price and average life (Details) - USD ($)
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Warrants      
Warrants Outstanding (in shares) 80,000 80,000 2,495,784
Intrinsic value of warrants (in dollars) $ 90,000    
Exercise Price 1.80 [Member]      
Warrants      
Warrants Exercise Price (in dollars per share) $ 1.80    
Warrants Outstanding (in shares) 80,000    
Warrants Outstanding, Weighted Average Exercise Price (in dollars per share) $ 1.80    
Warrant Outstanding, Remaining Life 1 month 17 days