Valuation and Qualifying Accounts Allowance for Returns and Doubtful Accounts

12 Months Ended

Dec. 31, 2021

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

Valuation and Qualifying Accounts - Allowance for Returns and Doubtful Accounts

Valuation and Qualifying Accounts – Allowance for Returns and Doubtful Accounts 

Period Ended	Balance at Beginning of Period		Charges / (Benefits) to Revenue	(Increases) Deductions	Balance at End of Period
December 31, 2021	$	151,335	72,461	137,980	$	85,816
December 31, 2020	$	216,153	4,464	69,282	$	151,335

Note: Charges/benefits to the allowance for doubtful accounts are recorded within “general and administrative expenses” within the consolidated statements of operations. Charges/benefits to the return reserve for product and service are recorded within “product revenue” within the consolidated statements of operations.