Quarterly report pursuant to Section 13 or 15(d)

Nature of Business, Basis of Presentation and Going Concern Uncertainty - Additional Information (Detail)

v3.20.1
Nature of Business, Basis of Presentation and Going Concern Uncertainty - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Accounting Policies [Abstract]      
Accumulated deficit $ (49,024)   $ (45,704)
Net loss (3,320) $ (5,904)  
Cash and cash equivalents 12,156   $ 16,664
Working capital 11,400    
Net cash used in operations $ 4,461 $ 4,889