D. ACCOUNTS RECEIVABLE (Tables)
|3 Months Ended|
Mar. 31, 2021
|Schedule of accounts receivable||
Components of accounts receivable as of March 31, 2021 and December 31, 2020 are as follows:
Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables.
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef