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LIQUIDITY AND GOING CONCERN (Details) - USD ($) | May 21, 2020 | May 04, 2020 | Apr. 28, 2020 | Aug. 06, 2019 | Jun. 06, 2019 | Jul. 31, 2020 | Jun. 30, 2020 | Dec. 31, 2019 | Jun. 30, 2019
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Cash balances |  |  |  |  |  | $ 2,900,000 | $ 2,330,000 | $ 1,870,000 | $ 1,156,000
Working capital deficit |  |  |  |  |  |  | (1,000,000) |  |
Period for financing from common stock |  |  | 24 months |  |  |  |  |  |
Paycheck Protection Program |  |  |  |  |  |  |  |  |
Loan proceeds |  |  |  |  |  |  | 19,500,000 |  |
Subsequent Event |  |  |  |  |  |  |  |  |
Registered share available for future sales |  |  |  |  |  | 9,700,000 |  |  |
Lincoln Park | Subsequent Event |  |  |  |  |  |  |  |  |
Registered share available for future sales |  |  |  |  |  | $ 722,279 |  |  |
Lincoln Park | PA |  |  |  |  |  |  |  |  |
Maximum aggregate offering price | $ 12,000,000 |  | $ 12,000,000 | $ 3,200,000 | $ 10,000,000 |  |  |  |
Period for financing from common stock | 24 months |  |  |  | 24 months |  |  |  |
Cantor Fitzgerald & Co | ATM Offering Agreement |  |  |  |  |  |  |  |  |
Paycheck Protection Program |  |  |  |  |  |  |  |  |
Loan proceeds |  |  |  |  |  |  | $ 19,500,000 |  |
URI, Inc. | PPP |  |  |  |  |  |  |  |  |
Paycheck Protection Program |  |  |  |  |  |  |  |  |
Loan proceeds |  | $ 300,000 |  |  |  |  |  |  |
Debt Instrument, Payment Terms |  | Any unforgiven portion of the PPP loan is payable over two years at an interest rate of 1%, with a deferral of payments for the first six months. |  |  |  |  |  |  |
Fixed interest rate |  | 1.00% |  |  |  |  |  |  |
Debt term |  | 2 years |  |  |  |  |  |  |
Deferral of payments, period |  | 6 months |  |  |  |  |  |  |

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