Accounts receivable, net

12 Months Ended

Dec. 31, 2022

Accounts receivable, net.

Accounts receivable, net

4. Accounts receivable, net

	December 31,
	2022		2021
Trade accounts receivable	$	27,163,719	$	27,311,188
Receivable from OC-BVI		37,293		40,877
Other accounts receivable		28,384		180,262
		27,229,396		27,532,327
Allowance for doubtful accounts		(183,214)		(183,020)
Accounts receivable, net	$	27,046,182	$	27,349,307

The activity for the allowance for doubtful accounts consisted of:

	December 31,
	2022		2021
Opening allowance for doubtful accounts	$	183,020	$	172,269
Provision for doubtful accounts		—		—
Accounts written off during the year		(726)		—
Recovery of accounts written off		920		10,751
Ending allowance for doubtful accounts	$	183,214	$	183,020

Significant concentrations of credit risk are disclosed in Note 18.