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Subsequent Events - Additional Information (Detail) - Share Offering [Member] - Subsequent Event [Member] $ / shares in Units, $ in Thousands	Feb. 25, 2020 USD ($) $ / shares shares
Common stock issued | shares	15,000,000
Price per share | $ / shares	$ 1.45
Gross proceeds from issuance of common stock	$ 21,750
Share issuance costs	$ 1,750

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The cash outflow for cost incurred directly with the issuance of an equity security.

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