v3.21.1
Stockholders' Deficit - Summary of Stock Option Activity (Detail) - USD ($)
$ / shares in Units, $ in Thousands
2 Months Ended 12 Months Ended
Feb. 29, 2020
Jan. 30, 2021
Dec. 31, 2019
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]      
Shares, Granted 0 855,000 0
Shares, Outstanding, Ending balance   855,000  
Shares, Vested and expected to vest   855,000  
Shares, Exercisable   707,000  
Shares, Non-vested   148,000  
Wtd. Avg. Exercise Price, Outstanding, Beginning balance   $ 345.40  
Wtd. Avg. Exercise Price, Granted   1.66  
Wtd. Avg. Exercise Price, Expired   342.89  
Wtd. Avg. Exercise Price, Outstanding, Ending balance   1.74  
Wtd. Avg. Exercise Price, Vested and expected to vest   1.66  
Wtd. Avg. Exercise Price, Exercisable   1.77  
Wtd. Avg. Exercise Price, Non-vested   $ 1.61  
Wtd. Avg. Remaining Contractual Life, Outstanding   4 years 8 months 26 days  
Wtd. Avg. Remaining Contractual Life, Vested and expected to vest   4 years 8 months 26 days  
Wtd. Avg. Remaining Contractual Life, Exercisable   4 years 9 months  
Wtd. Avg. Remaining Contractual Life, Non-vested   4 years 8 months 8 days  
Aggregate Intrinsic Value, Outstanding   $ 2,172  
Aggregate Intrinsic Value, Vested and expected to vest   2,172  
Aggregate Intrinsic Value, Exercisable   1,789  
Aggregate Intrinsic Value, Non-vested   $ 383