XML 17 R90.htm IDEA: XBRL DOCUMENT v3.20.1
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