XML 25 R11.htm IDEA: XBRL DOCUMENT
v3.23.1

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.

X
- Definition The entire disclosure for claims held for amounts due a entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -URI https://asc.fasb.org/subtopic&trid=2196772 + Details
Name: | us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_ReceivablesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration