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NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Dec. 31, 2019 | Dec. 31, 2018
Revenue | Outside of United States [Member] |  |  |  |
Product Information [Line Items] |  |  |  |
Concentration of Credit Risk |  |  | 59.00% | 53.00%
Revenue | Outside of the US [Member] |  |  |  |
Product Information [Line Items] |  |  |  |
Concentration of Credit Risk | 29.00% |  |  |
Customer A [Member] | Revenue |  |  |  |
Product Information [Line Items] |  |  |  |
Concentration of Credit Risk | 45.00% | 69.00% | 48.00% | 50.00%
Customer A [Member] | Accounts Receivable |  |  |  |
Product Information [Line Items] |  |  |  |
Concentration of Credit Risk | 41.00% |  | 68.00% | 58.00%
Customer B [Member] | Revenue |  |  |  |
Product Information [Line Items] |  |  |  |
Concentration of Credit Risk | 15.00% | 12.00% | 13.00% | 33.00%
Customer B [Member] | Accounts Receivable |  |  |  |
Product Information [Line Items] |  |  |  |
Concentration of Credit Risk | 32.00% |  | 10.00% | 34.00%
Customer C [Member] | Revenue |  |  |  |
Product Information [Line Items] |  |  |  |
Concentration of Credit Risk | 12.00% |  | 10.00% |
Customer C [Member] | Accounts Receivable |  |  |  |
Product Information [Line Items] |  |  |  |
Concentration of Credit Risk | 10.00% |  |  |
Customer D [Member] | Accounts Receivable |  |  |  |
Product Information [Line Items] |  |  |  |
Concentration of Credit Risk | 10.00% |  |  |

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