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v3.19.1

STOCKHOLDERS' EQUITY (Series A Senior Preferred Stock) (Details) |  |  |  |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | ---
Dec. 20, 2018 | Feb. 12, 2018 USD ($) shares | Jun. 29, 2017 USD ($) $ / shares shares | Jun. 23, 2017 | Aug. 31, 2017 USD ($) shares | Dec. 31, 2018 USD ($) $ / shares shares | Dec. 31, 2017 USD ($) $ / shares shares
Class of Stock [Line Items] |  |  |  |  |  |  |
Preferred stock, shares authorized (in shares) |  |  |  |  |  | 15,000,000 | 15,000,000
Preferred stock, par value (in dollars per share) | $ / shares |  |  |  |  |  | $ 0.01 | $ 0.01
Number of shares converted from debt instrument (in shares) |  | 1,814,754 |  |  |  |  |
Conversion of debt into stock | $ |  | $ 1,900,000 |  |  |  | $ 3,191,000 |
Shares converted, value | $ |  |  | $ 3,000,000 |  |  |  |
New shares issued (in shares) |  | 1,814,754 |  |  | 22,518 |  |
Deemed dividend | $ |  |  |  |  |  | $ 4,222,000 | $ 12,431,000
Number of shares converted (in shares) |  |  |  |  | 1,735,419 |  |
Conversion ratio |  |  |  |  |  | 0.033 |
Warrants, fair value | $ |  |  | $ 211,000 |  |  |  |
Issuance of warrants in conjunction with issuance of side agreement | $ |  | $ 1,900,000 |  |  | $ 84,000,000 |  |
Preferred stock, shares outstanding (in shares) |  |  |  |  |  | 47 | 4,935
Preferred stock, shares issued (in shares) |  |  |  |  |  | 47 | 4,935
Minimum |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Conversion ratio | 0.033 |  |  |  |  |  |
Maximum |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Conversion ratio | 0.5 |  |  |  |  |  |
Private Placement |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
New shares issued (in shares) |  |  | 107,056 |  |  |  |
Consideration received | $ |  |  | $ 400,000 |  |  |  |
Transgenomics |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Shares converted, value | $ |  |  | $ 3,000,000 |  |  |  |
Preferred stock - series A senior |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Preferred stock, shares authorized (in shares) |  |  | 4,100,000 |  |  | 4,100,000 | 4,100,000
Preferred stock, par value (in dollars per share) | $ / shares |  |  | $ 0.01 |  |  |  |
Required separate approval percentage. |  |  |  | 0.75% |  |  |
Conversion price (in dollars per share) | $ / shares |  |  | $ 3.736329 |  |  |  |
Conversion of stock, discount rate |  |  | 15.00% |  |  |  |
Preferred stock, dividend rate (percentage) |  |  | 8.00% |  |  |  |
Deemed dividend | $ |  |  | $ 5,200,000 |  | $ 1,400,000 |  |
Conversion ratio |  |  |  |  | 1 |  |
Warrants, fair value | $ |  |  |  |  | $ 1,400,000 |  |
Preferred stock, shares outstanding (in shares) |  |  |  |  |  | 0 | 0
Preferred stock, shares issued (in shares) |  |  |  |  | 1,712,901 | 0 | 1,712,901
Preferred stock - series A senior | Minimum |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Required separate approval percentage. |  |  |  | 0.67% |  |  |
Preferred Stock [Member] |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Number of shares converted from debt instrument (in shares) |  |  | 802,920 |  |  |  |
Number of shares converted (in shares) |  |  | 7,155 |  |  |  |
Preferred Stock [Member] | Private Placement |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
New shares issued (in shares) |  |  | 107,056 |  |  |  |
Preferred Stock [Member] | Transgenomics |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Number of shares converted from debt instrument (in shares) |  |  | 802,925 |  |  |  |
Common Stock |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Number of shares converted from debt instrument (in shares) |  |  | 1,414,700 |  |  | 3,787,300 |
Number of shares converted (in shares) |  |  | 5,352,847 |  |  |  |
Stock rights issued (in shares) |  |  |  |  | 856,446 |  |

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