| D. ACCOUNTS RECEIVABLE | 6 Months Ended | ||||||||||||||||||||||||||||||||||||
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| Jun. 30, 2020 | |||||||||||||||||||||||||||||||||||||
| Receivables [Abstract] | |||||||||||||||||||||||||||||||||||||
| ACCOUNTS RECEIVABLE | NOTE D – ACCOUNTS RECEIVABLE Components of accounts receivable as of June 30, 2020 and December 31, 2019 are as follows: 
 
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- 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. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
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- References No definition available. 
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