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Fair Value of Financial Instruments and Fair Value Measurements (Tables)
3 Months Ended
Mar. 31, 2021
Fair Value Disclosures [Abstract]  
Schedule of equity investment fair value components
  

At March 31, 2021

(Unaudited)

   At December 31, 2020 
Description  Level 1   Level 2   Level 3   Level 1   Level 2   Level 3 
Equity investments, at fair value  $   $570,000   $   $       $ 
Schedule of fair value hierarchy
   Level 1   Level 2   Level 3   Total 
Common Stock  $   $   $   $ 
Preferred Stock       570,000        570,000 
Total Investments  $   $570,000   $   $570,000 
Schedule of equity investment fair value components
  

December 31,

2019

  

December 31,

2020

 
Equity investments, at original cost  $531,250   $ 
Gross unrealized appreciation   38,750     
Equity investments, at fair market value  $570,000   $