Subsequent Events - Additional Information (Detail) - USD ($) $ in Millions |
2 Months Ended | 4 Months Ended | ||
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Mar. 01, 2018 |
Dec. 31, 2017 |
Sep. 14, 2017 |
Dec. 31, 2016 |
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| Subsequent Event [Line Items] | ||||
| Common stock, shares issued | 11,956,752 | 21,230 | ||
| LPC [Member] | ||||
| Subsequent Event [Line Items] | ||||
| Common stock, shares issued | 873,778 | 123,516 | ||
| Gross proceeds | $ 2.0 | |||
| Common stock available for sale under offering | $ 9.0 | |||
| Subsequent Event [Member] | LPC [Member] | ||||
| Subsequent Event [Line Items] | ||||
| Common stock, shares issued | 800,000 | |||
| Gross proceeds | $ 1.3 | |||
| Common stock available for sale under offering | $ 7.6 |
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- Definition Common stock sales agreement net amount. No definition available.
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- Definition Proceeds from issuance of common stock gross. No definition available.
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- Definition Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. No definition available.
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