XML 50 R38.htm IDEA: XBRL DOCUMENT v3.21.2
Shareholders' Equity (Details Narrative) - Treasury Stock [Member] - USD ($)
3 Months Ended 12 Months Ended 50 Months Ended
Mar. 31, 2021
Dec. 31, 2020
Dec. 31, 2020
Nov. 14, 2016
Purchase of treasury stock 2,927 2,927 780  
Purchase of treasury stock, value     $ 300,000  
Additional number of shares authorized to repurchased   1,720 1,720  
Average price per share of treasury stock acquired $ 8,496.47 $ 8,496.47    
Maximum [Member]        
Number of shares authorized to repurchased       2,500