RELATED PARTY TRANSACTIONS- Additional Information(Detail) - USD ($) $ / shares in Units, $ in Thousands |
1 Months Ended |
3 Months Ended |
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Jul. 31, 2017 |
Mar. 31, 2017 |
Mar. 16, 2017 |
Jun. 30, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
| Number Of Common Stock Need To Hold To Designate As Director |
600,000
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| Royalty Receivable |
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$ 71
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$ 50
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| Schutte Note [Member] | Subsequent Event [Member] |
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| Proceeds from Issuance of Long-term Debt |
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$ 1,000
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| Investor [Member] |
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| Sale of Stock, Number of Shares Issued in Transaction |
8,912,655
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| Sale of Stock, Price Per Share |
$ 0.4488
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| ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight |
(0.2)
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| Class of Warrant or Right, Exercise Price of Warrants or Rights |
$ 0.528
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| Private Placement [Member] | Investor [Member] |
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| Sale of Stock, Consideration Received on Transaction |
$ 4,000
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| Sale Of Stock, Issue Price Description |
85
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| Class of Warrant or Right, Exercise Price of Warrants or Rights |
$ 0.528
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| Warrants Not Settleable in Cash, Fair Value Disclosure |
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495
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| Class Of Warrants Or Rights, Expiry Period |
5 years
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| Main Pointe Agreement [Member] |
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| Proceeds from License Fees Received |
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$ 2,500
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$ 2,500
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| Asset Transferred, License Agreement |
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$ 309
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$ 309
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| Licensing Agreement, Royalty Percentage |
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7.50%
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7.50%
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| Royalty Receivable |
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$ 13
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