| K. COMMITMENTS AND CONTINGENCIES (Details Narrative) - USD ($) | 3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
| Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017 | |
| Commitments and Contingencies Disclosure [Abstract] | ||||
| Rent expenses | $ 170,949 | $ 114,167 | $ 87,067 | $ 80,147 | 
| X | ||||||||||
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- References No definition available. 
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| X | ||||||||||
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- Definition Amount of operating lease expense. Excludes sublease income. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
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