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Earnings Per Share - Additional Information (Detail)
3 Months Ended
Jun. 30, 2018
shares
Restricted Stock [Member]  
Earnings Per Share [Line Items]  
Anti-dilutive securities excluded from calculation of diluted loss per share 523,343
Warrants [Member]  
Earnings Per Share [Line Items]  
Anti-dilutive securities excluded from calculation of diluted loss per share 11,056,295