Quarterly report pursuant to Section 13 or 15(d)

Summary of Warrant Activity (Detail)

v3.20.1
Summary of Warrant Activity (Detail) - Warrants
shares in Thousands
3 Months Ended
Mar. 31, 2020
$ / shares
shares
Shares  
Beginning Balance | shares 2,083
Ending Balance | shares 2,083
Warrants exercisable at March 31, 2020 | shares 2,083
Weighted Average Exercise Price  
Beginning Balance | $ / shares $ 6.12
Ending Balance | $ / shares 5.96
Warrants exercisable at March 31, 2020 | $ / shares $ 5.96