XML 44 R34.htm IDEA: XBRL DOCUMENT v3.22.2
Leases - Additional Information (Detail)
$ in Thousands
3 Months Ended 6 Months Ended
Mar. 01, 2018
USD ($)
ft²
Jun. 30, 2022
USD ($)
Jun. 30, 2021
USD ($)
Jun. 30, 2022
USD ($)
Lease
Jun. 30, 2021
USD ($)
Operating lease, weighted average discount rate, percent   13.00%   13.00%  
Number of new leases | Lease       0  
Remaining terms   9 months 18 days   9 months 18 days  
Operating Lease, Payments   $ 24 $ 35 $ 59 $ 69
Building [Member]          
Leased spaced area | ft² 5,600        
Operating lease term 60 months        
Building [Member] | Minimum [Member]          
Operating lease rent expense $ 10        
Building [Member] | Maximum [Member]          
Operating lease rent expense $ 12        
Office Equipment [Member]          
Operating lease term   36 months   36 months  
Operating lease rent expense   $ 23 $ 30 $ 61 $ 61