STOCKHOLDERS’ EQUITY (DEFICIT) (Details) - USD ($)
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3 Months Ended |
6 Months Ended |
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May 04, 2020 |
Apr. 29, 2020 |
Dec. 26, 2019 |
Dec. 19, 2019 |
Apr. 29, 2019 |
Mar. 18, 2019 |
Jul. 13, 2018 |
Jun. 30, 2020 |
Jun. 30, 2020 |
Jun. 30, 2019 |
Jul. 22, 2020 |
Feb. 06, 2020 |
Dec. 31, 2019 |
| Class of Stock [Line Items] |
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| Capital stock authorized (in shares) |
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360,000,000
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360,000,000
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| Common stock, par or stated value per share (in dollars per share) |
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$ 0.0001
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$ 0.0001
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$ 0.0001
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$ 0.0001
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| Common stock, shares authorized (in shares) |
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350,000,000
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350,000,000
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350,000,000
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| Preferred stock, shares authorized (in shares) |
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600,000
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10,000,000
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10,000,000
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10,000,000
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| Preferred stock, par or stated value per share (in dollars per share) |
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$ 0.0001
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$ 0.0001
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$ 0.0001
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$ 0.0001
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| Number of shares issued in transaction (in shares) |
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4,318,272
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4,181,068
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| Conversion feature |
$ 3,100,000
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| Preferred stock, value, issued |
12,500,000
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$ 0
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$ 0
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$ 0
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| Preferred stock, value, outstanding |
7,000,000
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| Preferred stock, shares issued (in shares) |
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382,779
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382,779
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0
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| Preferred stock, shares outstanding (in shares) |
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0
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0
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0
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| Shares issued upon conversion (in shares) |
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100
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100
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| Common stock, shares, outstanding (in shares) |
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136,232,886
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136,232,886
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39,477,667
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| Number of shares issued per warrant (in shares) |
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1.2
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| Exercise of warrants (in shares) |
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3,593,714.4
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1,847,309
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1,847,309
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| Exercise of warrants (in shares) |
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12,230,418
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| Proceeds from issuance of warrants |
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$ 1,200,000
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| Proceeds from issuance of preferred stock and warrants |
$ 22,600,000
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$ 22,560,994
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$ 0
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| Warrant |
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| Class of Stock [Line Items] |
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| Number of securities called by warrants or rights (in shares) |
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2,994,762
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5,441,023
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4,318,272
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1,539,424
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1,539,424
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| Exchange Warrants |
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| Class of Stock [Line Items] |
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| Number of shares issued per warrant (in shares) |
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1.2
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| Series A Preferred Stock | Private Placement |
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| Class of Stock [Line Items] |
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| Preferred stock, par or stated value per share (in dollars per share) |
$ 0.0001
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| Number of shares issued in transaction (in shares) |
382,779
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| H.C. Wainwright & Co., LLC and Ladenburg Thalmann & Co., Inc. | At-the-Market Offering |
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| Class of Stock [Line Items] |
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| Number of shares issued in transaction (in shares) |
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705,714
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| Consideration received on transaction |
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$ 1,675,000
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| Sale of stock, agent commissions fee |
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3.00%
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| Sale of stock, ATM maximum equity offering price |
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$ 40,000,000
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| SunTrust Robinson Humphrey | Subsequent Event |
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| Class of Stock [Line Items] |
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| Sale of stock, ATM maximum equity offering price |
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$ 40,000,000
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