Stockholders' Equity - Warrants to Purchase Common Shares - Additional Information (Detail) - Senior Secured Term Loan [Member] - Warrants [Member] - $ / shares |
6 Months Ended | ||
---|---|---|---|
Jun. 26, 2018 |
Mar. 28, 2018 |
Jun. 30, 2022 |
|
SWK [Member] | |||
Class Of Stock [Line Items] | |||
Warrants issued to purchase shares of common stock | 7,773 | 40,910 | |
Exercise price of issued warrants | $ 19.30 | $ 11.00 | |
Warrants exercise period | 7 years | 7 years | |
Investor [Member] | |||
Class Of Stock [Line Items] | |||
Weighted average remaining life of lender warrants | 2 years 9 months 18 days |