| K. STOCK ISSUANCE TO NON-EMPLOYEE DIRECTORS | 12 Months Ended | 
|---|---|
| Dec. 31, 2020 | |
| Share-based Payment Arrangement, Noncash Expense [Abstract] | |
| STOCK ISSUANCE TO NON-EMPLOYEE DIRECTORS | NOTE K – STOCK ISSUANCE TO NON-EMPLOYEE DIRECTORS 
 During the years ended December 31, 2020 and 2019, the Company issued common stock in the amount of $18,000 and $132,000 and paid cash consideration of $60,000 and $20,000, respectively to the Company’s non-employee directors as compensation for their attendance and participation in the Company’s Board of Director and committee meetings. | 
| X | ||||||||||
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- Definition Disclosure for stock issuance to nonemployee directors [Text Block] No definition available. 
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| X | ||||||||||
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- References No definition available. 
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