Annual report pursuant to Section 13 and 15(d)

Schedule II: Valuation and Qualifying Accounts

v3.20.1
Schedule II: Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2019
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
Schedule II: Valuation and Qualifying Accounts
  As of December 31,
  2019   2018
Balance at beginning of year $1,690,812   $1,000,988
Additions to charged to expenses/other accounts 877,119   689,824
Balance at end of year $2,567,931   $1,690,812