• Filing Date: 2021-04-16
  • Form Type: 10-K/A
  • Description: Annual report (Amendment)
v3.21.1
B. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 5) - USD ($)
Dec. 31, 2020
Dec. 31, 2019
Current Assets    
Cash and cash equivalents $ 6,250,241 $ 4,905,993
Marketable securities 462,687 493,884
Level 1    
Current Assets    
Cash and cash equivalents 6,250,241 4,905,993
Marketable securities 0 0
Level 2    
Current Assets    
Cash and cash equivalents 0 0
Marketable securities 462,687 493,884
Level 3    
Current Assets    
Cash and cash equivalents 0 0
Marketable securities $ 0 $ 0