XML 40 R28.htm IDEA: XBRL DOCUMENT v3.21.1
Fair Value Measurements (Tables)
3 Months Ended
Mar. 31, 2021
Fair Value Disclosures [Abstract]  
Schedule of Assets Measured at Fair Value on a Recurring Basis by Level Within Fair Value Hierarchy

   Fair Value Measurement Using 
   Total   Quoted Prices in
Active Markets
for Identical
Instruments
(Level 1)
   Significant
Other
Observable
Inputs
(Level 2)
   Significant
Unobservable
Inputs
(Level 3)
 
Assets at March 31, 2021:                    
Cash invested in money market accounts  $1,429,331       $1,429,331   $ 
Total assets at fair value  $1,429,331       $1,429,331   $ 
Assets at December 31, 2020:                    
Cash invested in money market accounts  $1,429,331       $1,429,331   $ 
Total assets at fair value  $1,429,331       $1,429,331   $