Net Income (Loss) Per Share - Additional Information (Detail) - $ / shares	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 11, 2019
Net Income Per Share [Line Items]
Anti-dilutive securities excluded from computation of earnings per share minimum price range	$ 8.54	$ 4.42
Anti-dilutive securities excluded from computation of earnings per share maximum price range one	$ 25.16	$ 25.16
Class of warrant or right, exercise price of warrants or rights (in dollars per share)			$ 12
Preferred Stock, Conversion Limit, Percent	25.00%
Preferred Stock, Period of Volume Weighted Average Price Per Common Share	30 days
Preferred Stock, Conversion Percentage of Volume Weighted Average Market Price Per Share, Percent	90.00%