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STOCKHOLDERS' EQUITY (Common Stock, 2018 Purchase Agreement and LP Purchase Agreement) (Details) $ / shares in Units, security in Millions |  |  |  |  |  |  |  |  |  |  |  | 1 Months Ended | 2 Months Ended | 3 Months Ended | 12 Months Ended |  |  |  |  |
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Apr. 14, 2019 USD ($) shares | Jan. 29, 2019 USD ($) shares | Dec. 20, 2018 | Sep. 14, 2018 shares | Sep. 07, 2018 USD ($) $ / shares shares | Aug. 10, 2018 shares | Feb. 12, 2018 USD ($) shares | Feb. 09, 2018 USD ($) $ / shares shares | Feb. 08, 2018 USD ($) | Jun. 29, 2017 USD ($) shares | Apr. 28, 2017 USD ($) $ / shares shares | Aug. 31, 2017 USD ($) $ / shares shares | Jul. 31, 2017 USD ($) shares | Jun. 30, 2018 $ / shares | Apr. 14, 2019 USD ($) shares | Mar. 31, 2018 $ / shares | Dec. 31, 2018 USD ($) security $ / shares shares | Dec. 31, 2017 USD ($) shares | Jan. 01, 2019 shares | Dec. 19, 2018 shares | Sep. 06, 2018 shares | Nov. 30, 2017 $ / shares | Oct. 31, 2017 $ / shares
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares authorized (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 150,000,000 | 150,000,000 |  | 150,000,000 |  |  |
Conversion ratio |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.033 |  |  |  |  |  |
Restricted stock granted |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 59,563 |  |  |  |  |
Restricted shares issued (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 64,593 |  |  |  |  |
Restricted stock expense | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 28,000 |  |  |  |  |
Number of shares converted (in shares) |  |  |  |  |  |  |  |  |  |  |  | 1,735,419 |  |  |  |  |  |  |  |  |  |  |
New shares issued (in shares) |  |  |  |  |  |  | 1,814,754 |  |  |  |  | 22,518 |  |  |  |  |  |  |  |  |  |  |
Value of shares issued | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 7,784,000 |  |  |  |  |
Common stock, shares outstanding (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 34,481,083 | 10,196,620 |  |  | 23,155,872 |  |
Stock and Warrants Issued During Period, Value, Preferred Stock and Warrants | $ |  |  |  |  |  |  | $ 1,900,000 |  |  |  |  | $ 84,000,000 |  |  |  |  |  |  |  |  |  |  |
Number of shares to be issued due to repricing | security |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.0 |  |  |  |  |  |
Stock Issued During Period, Value, Issued for Services | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 39,000 | $ 2,189,000 |  |  |  |  |
Stock Not Issued, Shares |  |  |  |  |  |  |  |  |  | 200,081 |  |  |  |  |  |  |  |  |  |  |  |  |
Liability recorded related to equity purchase agreement repricing | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 460,000 |  |  |  |  |  |
Liability related to equity purchase agreement | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 460,000 |  |  |  |  |  |
Number of shares converted from debt instrument (in shares) |  |  |  |  |  |  | 1,814,754 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt converted | $ |  |  |  |  |  |  | $ 1,900,000 |  |  |  |  |  |  |  |  |  | 3,191,000 |  |  |  |  |  |
Liability for settlement of equity instrument | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,450,000 | 1,085,000 |  |  |  |  |
Other current liabilities | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,910,000 | 2,982,000 |  |  |  |  |
Proceeds from exercise of warrants | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,271,000 | $ 25,000 |  |  |  |  |
Issuance of common stock, net of issuance costs | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,008,000 |  |  |  |  |  |
Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares converted (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (6,465,334) | (4,217,408) |  |  |  |  |
Issuance of common stock for consulting services in connection with the merger (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 22,913 | 321,821 |  |  |  |  |
Stock Issued During Period, Shares, Issued for Services |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 22,913 | 321,821 |  |  |  |  |
Stock Issued During Period, Value, Issued for Services | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3,000 |  |  |  |  |
Shares issued in connection with business combination (in shares) |  |  |  |  |  |  |  |  |  | 1,255,119 |  |  |  |  |  |  |  | 1,255,119 |  |  |  |  |
Number of shares converted from debt instrument (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,414,700 |  |  |  |  |
Bridge Loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt converted | $ |  |  |  |  |  |  |  |  |  |  | $ 900,000 | $ 900,000 | $ 900,000 |  |  |  |  |  |  |  |  |  |
Leviston Resources LLC |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance costs | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 132,000 |  |  |  |  |  |
Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares converted (in shares) |  |  |  |  |  |  |  |  |  | 5,352,847 |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock for consulting services in connection with the merger (in shares) |  |  |  |  |  |  |  |  |  | 321,821 |  |  |  |  |  |  |  |  |  |  |  |  |
Equity instrument fair value | $ |  |  |  |  |  |  |  |  |  | $ 2,200,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, Issued for Services |  |  |  |  |  |  |  |  |  | 321,821 |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares converted from debt instrument (in shares) |  |  |  |  |  |  |  |  |  | 1,414,700 |  |  |  |  |  |  | 3,787,300 |  |  |  |  |  |
Warrant exercises in period |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,787,300 |  |  |  |  |  |
Proceeds from exercise of warrants | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,300,000 |  |  |  |  |  |
Common Stock | Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares converted from debt instrument (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,773,439 |  |  |  |  |  |
Common Stock | Bridge Loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion price (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  | $ 2.50 |  |  |  |  |  |  |  |  |  |  |  |
Number of shares converted from debt instrument (in shares) |  |  |  |  |  |  |  |  |  |  | 359,999 | 359,999 | 359,999 |  |  |  |  |  |  |  |  |  |
Series B Preferred Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares converted (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,550,485 |  |  |  |  |
Common stock issued on conversion of preferred shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,120,000 |  |  |  |  |  |
Series C Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares converted (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,548 | 142,857 |  |  |  |  |
Common stock issued on conversion of preferred shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,345,334 |  |  |  |  |  |
Stock Not Issued, Shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 60,000 |  |  |  |  |  |
Preferred Class B |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion price (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  | $ 2.50 |  |  |  |  |  |  |  |  |  | $ 1.40 | $ 2.50
Number of shares converted (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,340 | 3,613 |  |  |  |  |
Share price (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  | $ 1,000 |  |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock, net of issuance costs | $ |  |  |  |  |  |  |  |  |  |  | $ 6,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Precipio Diagnostic [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion ratio |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10.2502 |  |  |  |  |  |
Precipio Diagnostic [Member] | Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares converted (in shares) |  |  |  |  |  |  |  |  |  | 7,356,170 |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Events |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares authorized (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 250,000,000 |  |  |  |
Private Placement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
New shares issued (in shares) |  |  |  |  |  |  |  |  |  | 107,056 |  |  |  |  |  |  |  |  |  |  |  |  |
Leviston Resources LLC |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from sale of stock | $ |  |  |  |  |  |  |  | $ 750,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock for consulting services in connection with the merger (in shares) |  |  |  |  |  |  |  | 170,711 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
New shares issued (in shares) |  |  |  |  |  |  |  | 721,153 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares sold in offering (in shares) |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Purchase Agreement | $ |  |  |  |  |  |  |  |  | $ 8,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Purchase Agreement, Commitment Fee Percentage |  |  |  |  |  |  |  | 5.25% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Purchase Agreement, Commitment Fee Installment Percentage |  |  |  |  |  |  |  | 1.75% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share price (in dollars per share) | $ / shares |  |  |  |  |  |  |  | $ 1.04 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Private Placement | $ |  |  |  |  |  |  |  | $ 750,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, Issued for Services |  |  |  |  |  |  |  | 170,711 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Value, Issued for Services | $ |  |  |  |  |  |  |  | $ 140,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accruals for potential obligations to the Investor | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 700,000 |  |  |  |  |  |
Leviston Resources LLC | Subsequent Events |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
New shares issued (in shares) |  | 10,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beneficial Ownership Cap |  | 4.99% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Leviston Resources LLC | Subsequent Events | Settled Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of convertible notes | $ |  | $ 700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lincoln Park [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
New shares issued (in shares) |  |  |  | 7,000,000 | 600,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Value of shares issued | $ |  |  |  |  | $ 10,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum percentage of shares issued |  |  |  |  | 19.99% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum number of shares issued |  |  |  |  | 4,628,859 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beneficial Ownership Cap |  |  |  |  | 4.99% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares sold in offering (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,928,859 |  |  |  |  |  |
Share price (in dollars per share) | $ / shares |  |  |  |  | $ 0.47 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock, net of issuance costs | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,400,000 |  |  |  |  |  |
Lincoln Park [Member] | Subsequent Events |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares sold in offering (in shares) | 4,928,859 |  |  |  |  |  |  |  |  |  |  |  |  |  | 14,971,141 |  |  |  |  |  |  |  |
Issuance of common stock, net of issuance costs | $ | $ 1,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,400,000 |  |  |  |  |  |  |  |
Preferred Class B |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares converted (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,120,000 |  |  |  |  |  |
Preferred Class B | Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares converted (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,550,485 |  |  |  |  |
Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion ratio |  |  | 0.033 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum | Subsequent Events | Settled Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock, net of issuance costs | $ |  | $ 4,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum | Lincoln Park [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share price (in dollars per share) | $ / shares |  |  |  |  | $ 0.10 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion ratio |  |  | 0.5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum | Lincoln Park [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Value of shares issued | $ |  |  |  |  | $ 1,000,000 |  |  |  |  |  |  |  |  |  |  |  | $ 10,000,000 |  |  |  |  |  |
Shares sold in offering based on market price |  |  |  |  | 550,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares sold in offering (in shares) |  |  |  |  | 450,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible Bridge Loan | Common Stock | Bridge Loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares converted from debt instrument (in shares) |  |  |  |  |  |  |  |  |  | 155,639 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt converted | $ |  |  |  |  |  |  |  |  |  | $ 695,000 |  |  |  |  |  |  |  |  |  |  |  |  |
2018 Purchase Agreement | Investor Shares [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share price trigger | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.30 |  | $ 0.82 |  |  |  |  |  |  |
Number of shares converted from debt instrument (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 900,000 |  |  |  |  |  |
2018 Purchase Agreement | Minimum | Investor Shares [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share price (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1.04 |  |  |  |  |  |

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