Annual report pursuant to Section 13 and 15(d)

Consolidated Statement of Changes in Shareholders' Equity (Parenthetical)

v3.20.4
Consolidated Statement of Changes in Shareholders' Equity (Parenthetical) - USD ($)
Dec. 31, 2020
Dec. 31, 2019
Public Offering [Member] | Restricted Stock Unit Award Agreements [Member]    
Net offering cost   $ 688,005
Public Offering [Member] | Common Stock [Member]    
Net offering cost   $ 306,222
Registered Direct Offering [Member] | Common Stock [Member]    
Net offering cost $ 513,795  
Registered Direct Offering [Member] | Common Stock One [Member]    
Net offering cost 504,281  
Registered Direct Offering [Member] | Common Stock Two [Member]    
Net offering cost 689,874  
Registered Direct Offering [Member] | Common Stock Three [Member]    
Net offering cost 1,522,694  
Registered Direct Offering [Member] | Common Stock Four [Member]    
Net offering cost $ 181,496