Valuation And Qualifying Accounts

12 Months Ended

Dec. 31, 2019

SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]

Valuation And Qualifying Accounts

SCHEDULE II

VALUATION AND QUALIFYING ACCOUNTS

FOR THE YEARS ENDED DECEMBER 31, 2019 AND 2018

	Additions
	Balance at		Charged to
	Beginning of		Cost and						Balance at the
	Year		Expenses			Deductions			End of Year
Allowance for doubtful accounts and returns:
Year ended December 31, 2019	$	398,847	$	(14,535	)	$	(4,100	)	$	380,212
Year ended December 31, 2018	$	361,350	$	64,294		$	(26,797	)	$	398,847
Allowance for inventories valuation:
Year ended December 31, 2019	$	4,460,811	$	(351,925	)	$	(213,435	)	$	3,895,451
Year ended December 31, 2018	$	3,901,772	$	320,446		$	238,593		$	4,460,811