v3.21.2

Summary of Significant Accounting Policies - Accounts Receivable (Details) - USD ($)	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Summary of Significant Accounting Policies
Allowance for doubtful accounts, beginning of period	$ 27,162	$ 2,467
Bad debt expense	34,976	16,872
Allowance for doubtful accounts, end of period	$ 62,138	$ 19,339

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Amount of allowance for credit loss on accounts receivable.

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Amount of expense related to estimated loss from loan and lease transactions.

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