Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements - Schedule of Fair Value Measurement of Assets and Liabilities (Details)

v3.20.1
Fair Value Measurements - Schedule of Fair Value Measurement of Assets and Liabilities (Details) - USD ($)
Dec. 31, 2019
Dec. 31, 2018
Cash and cash equivalents $ 22,170,438 $ 12,446,838
Marketable Securities 5,104,626  
Total 27,775,000  
U.S. Treasury Bonds [Member]    
Marketable Securities 4,002,000  
Corporate Debt Securities [Member]    
Marketable Securities 1,603,000  
Level 1 [Member]    
Cash and cash equivalents 22,170,000  
Total 26,172,000  
Level 1 [Member] | U.S. Treasury Bonds [Member]    
Marketable Securities 4,002,000  
Level 1 [Member] | Corporate Debt Securities [Member]    
Marketable Securities  
Level 2 [Member]    
Cash and cash equivalents  
Total 1,603,000  
Level 2 [Member] | U.S. Treasury Bonds [Member]    
Marketable Securities  
Level 2 [Member] | Corporate Debt Securities [Member]    
Marketable Securities 1,603,000  
Level 3 [Member]    
Cash and cash equivalents  
Total  
Level 3 [Member] | U.S. Treasury Bonds [Member]    
Marketable Securities  
Level 3 [Member] | Corporate Debt Securities [Member]    
Marketable Securities