Schedule II - Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2020

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

Schedule of Valuation and Qualifying Accounts Disclosure

Schedule II — Valuation and Qualifying Accounts

Description	Balance at Beginning of Period		Charged to costs and expenses		Charged to other accounts		Recoveries/ (Deductions)			Balance at End of Period
December 31, 2020
Allowance for Doubtful Accounts	$	70,000	$	—	$	—	$	(45,000)		$	25,000
Deferred Tax Asset Valuation Allowance	2,208,843		3,427,540		—		(2,623,870)		(1)	3,012,513
Accrued Product Returns	689,000				—		(144,000)			545,000
Warranty Reserve	75,300		—		—		(25,700)			49,600
December 31, 2019
Allowance for Doubtful Accounts	$	25,000	$	49,361	$	—	$	(4,361)		$	70,000
Deferred Tax Asset Valuation Allowance	35,041,300		1,535,093		—		(34,367,550)		(1)	2,208,843
Accrued Product Returns	1,101,658		—		—		(412,658)			689,000
Warranty Reserve	129,837		—		—		(54,537)			75,300

(1)Expiration of Federal and State Net Operating Loss Carryforwards and other reductions.