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Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2019
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
Valuation and Qualifying Accounts
Valuation and Qualifying Accounts
Years ended December 31, 2019, 2018 and 2017
Description
Balance at
beginning of
period
Charged to
costs and
expenses
Charged to
other
accounts
Deductions
Balance at
end of period
Allowance for uncollectible amounts, cash discounts, chargebacks, and credits issued for damaged products:
For the years ended
December 31:
2017$446,514 $3,371,446 $— $(3,491,263)(1)$326,697 
2018326,697 4,610,899 — (4,133,176)(1)804,420 
2019804,420 5,915,066 — (5,927,435)(1)792,051 
Valuation allowance for deferred tax assets:
For the years ended
December 31:
2017$388,500 $(665,039)(2)$15,908,774 $— $15,632,235 
201815,632,235 1,749,817 — — 17,382,052 
201917,382,052 1,129,109 — — 18,511,161 

(1) Composed of actual returns and credits for chargebacks and cash discounts.
(2) Amount includes $4,202,854 related to increase in the valuation allowance during the year, net of $4,867,893 related to the revaluation of deferred income tax balances for new rates under the Tax Act.