XML 56 R51.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Fair Value Measurements - Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - Fair Value, Measurements, Recurring - USD ($)
Dec. 31, 2019
Dec. 31, 2018
Assets    
Cash equivalents $ 698,807 $ 4,284,928
Assets, Fair Value Disclosure 698,807 4,284,928
Level 1    
Assets    
Cash equivalents 698,807 4,284,928
Assets, Fair Value Disclosure 698,807 4,284,928
Level 2    
Assets    
Cash equivalents 0 0
Assets, Fair Value Disclosure 0 0
Level 3    
Assets    
Cash equivalents 0 0
Assets, Fair Value Disclosure $ 0 $ 0