E. INVENTORIES (Details) - USD ($)  | 
Jun. 30, 2020  | 
Dec. 31, 2019  | 
|---|---|---|
| Inventory Disclosure [Abstract] | ||
| Product purchased for resale | $ 1,497,724 | $ 1,613,733 | 
| Reserve for obsolescence | (332,731) | (240,659) | 
| Inventory, net | $ 1,164,993 | $ 1,373,074 | 
| X | ||||||||||
- References No definition available. 
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| X | ||||||||||
- Definition Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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| X | ||||||||||
- Definition Amount of valuation reserve for inventory. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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| X | ||||||||||
- Definition Amount before valuation and LIFO reserves of other inventory expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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