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STOCKHOLDERS' EQUITY (Schedule of Warrants) (Details) - $ / shares | Sep. 30, 2018 | Mar. 31, 2018
--- | --- | ---
Class of Stock [Line Items] |  |
Underlying shares (in shares) | 9,261,896 |
Warrants Assumed in Merger, Expiring April 2020 [Member] |  |
Class of Stock [Line Items] |  |
Underlying shares (in shares) | 12,487 |
Exercise price (in dollars per share) | $ 120.00 |
Warrants Assumed in Merger, Expiring February 2020 [Member] |  |
Class of Stock [Line Items] |  |
Underlying shares (in shares) | 23,826 |
Exercise price (in dollars per share) | $ 67.20 |
Warrants Assumed in Merger, Expiring December 2020 [Member] |  |
Class of Stock [Line Items] |  |
Underlying shares (in shares) | 4,081 |
Exercise price (in dollars per share) | $ 49.80 |
Warrants Assumed in Merger, Expiring January 2021, Group A [Member] |  |
Class of Stock [Line Items] |  |
Underlying shares (in shares) | 8,952 |
Exercise price (in dollars per share) | $ 36.30 |
Warrants outstanding (in shares) |  | 3,584
Warrants Not Assumed in Merger, Expiring June 2022, Group A [Member] |  |
Class of Stock [Line Items] |  |
Underlying shares (in shares) | 45,600 |
Exercise price (in dollars per share) | $ 2.75 |
Warrants Not Assumed in Merger, Expiring June 2022, Group B [Member] |  |
Class of Stock [Line Items] |  |
Underlying shares (in shares) | 91,429 |
Exercise price (in dollars per share) | $ 7.00 |
Warrants Not Assumed in Merger, Expiring August 2022, Group A [Member] |  |
Class of Stock [Line Items] |  |
Underlying shares (in shares) | 480,000 |
Exercise price (in dollars per share) | $ 0.30 |
Warrants Not Assumed in Merger, Expiring August 2022, Group B [Member] |  |
Class of Stock [Line Items] |  |
Underlying shares (in shares) | 60,000 |
Exercise price (in dollars per share) | $ 3.125 |
Warrants Not Assumed in Merger, Expiring August 2022, Group C [Member] |  |
Class of Stock [Line Items] |  |
Underlying shares (in shares) | 856,446 |
Exercise price (in dollars per share) | $ 10.00 |
Warrants Not Assumed in Merger, Expiring August 2022, Group D [Member] |  |
Class of Stock [Line Items] |  |
Underlying shares (in shares) | 359,999 |
Exercise price (in dollars per share) | $ 0.30 |
Warrants Not Assumed in Merger, Expiring October 2022 Group A [Member] |  |
Class of Stock [Line Items] |  |
Underlying shares (in shares) | 10,000 |
Exercise price (in dollars per share) | $ 0.30 |
Warrants Not Assumed in Merger, Expiring May 2023 [Member] |  |
Class of Stock [Line Items] |  |
Underlying shares (in shares) | 375,557 |
Exercise price (in dollars per share) | $ 0.30 |
Warrants Not Assumed in Merger, Expiring October 2022 Group B [Member] |  |
Class of Stock [Line Items] |  |
Underlying shares (in shares) | 108,112 |
Exercise price (in dollars per share) | $ 7.50 |
Warrants Not Assumed in Merger, Expiring April 2019 [Member] |  |
Class of Stock [Line Items] |  |
Underlying shares (in shares) | 1,824,176 |
Exercise price (in dollars per share) | $ 0.50 |
Warrants Not Assumed in Merger, Expiring April 2023 [Member] |  |
Class of Stock [Line Items] |  |
Underlying shares (in shares) | 1,824,176 |
Exercise price (in dollars per share) | $ 0.50 |
Warrants Not Assumed in Merger, Expiring October 2022 Group C [Member] |  |
Class of Stock [Line Items] |  |
Underlying shares (in shares) | 232,000 |
Exercise price (in dollars per share) | $ 0.75 |
Warrants Not Assumed in Merger Expiring July 2019 [Member] |  |
Class of Stock [Line Items] |  |
Underlying shares (in shares) | 382,526 |
Exercise price (in dollars per share) | $ 0.50 |
Warrants Not Assumed in Merger Expiring July 2023 [Member] |  |
Class of Stock [Line Items] |  |
Underlying shares (in shares) | 382,526 |
Exercise price (in dollars per share) | $ 0.50 |
Warrants Not Assumed in Merger Expiring August 2019 [Member] |  |
Class of Stock [Line Items] |  |
Underlying shares (in shares) | 545,000 |
Exercise price (in dollars per share) | $ 0.50 |
Warrants Not Assumed in Merger Expiring August 2023 [Member] |  |
Class of Stock [Line Items] |  |
Underlying shares (in shares) | 545,000 |
Exercise price (in dollars per share) | $ 0.50 |
Warrants Not Assumed in Merger Expiring September 2019 [Member] |  |
Class of Stock [Line Items] |  |
Underlying shares (in shares) | 545,002 |
Exercise price (in dollars per share) | $ 0.50 |
Warrants Not Assumed in Merger Expiring September 2023 [Member] |  |
Class of Stock [Line Items] |  |
Underlying shares (in shares) | 545,001 |
Exercise price (in dollars per share) | $ 0.50 |
2016 Warrant Liability [Member] |  |
Class of Stock [Line Items] |  |
Warrants outstanding (in shares) | 5,368 | 5,368

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