NATURE OF OPERATIONS, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details) - USD ($) |
Jun. 30, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
|---|---|---|---|
| Number of warrants outstanding | 1,588,750 | ||
| Cash, uninsured balance | $ 4,952,107 | ||
| Employee stock options | 311,898 | 154,429 | 160,143 |
| Series B Convertible Preferred Stock [Member] | |||
| Number of shares issued upon conversion | 243,571 |
| X | ||||||||||
- Definition Number of shares issued upon conversion. No definition available.
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| X | ||||||||||
- Definition The amount of cash as of the balance sheet date that is not insured by the Federal Deposit Insurance Corporation. No definition available.
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| X | ||||||||||
- Definition Number of warrants or rights outstanding. No definition available.
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| X | ||||||||||
- Definition Number of options outstanding, including both vested and non-vested options. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Details
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