Quarterly report pursuant to Section 13 or 15(d)

Leases - Additional Information (Detail)

v3.20.2
Leases - Additional Information (Detail)
 6 Months Ended
Jan. 02, 2019
USD ($)
Jun. 30, 2020
USD ($)
ft²
Lease
Jul. 01, 2020
ft²
Dec. 31, 2019
USD ($)
Jan. 01, 2019
USD ($)
Lessee Lease Description [Line Items]          
Operating lease, options to renew term   1 year      
Lessee, Operating Lease, Existence of Option to Extend [true false]   true      
Operating lease, right-of-use asset   $ 649,000   $ 276,000  
Operating lease, liability   570,000      
Lessee, operating lease incremental borrowing rate         12.78%
Foothill Ranch [Member]          
Lessee Lease Description [Line Items]          
Operating lease, right-of-use asset   600,000      
Operating lease, liability   $ 600,000      
Lessee, operating lease incremental borrowing rate   12.25%      
Number of new real property leases | Lease   2      
Lease facility area | ft²     11,936    
Operating lease, lease not yet commenced, description   The Foothill Ranch lease is a 11,936 square foot lease and will be used as the Company’s headquarters upon commencement on July 1, 2020.      
Additional right of use asset   $ 1,300,000      
Additional right of use liability   $ 1,300,000      
Foothill Ranch [Member] | Corona Lease [Member]          
Lessee Lease Description [Line Items]          
Lease facility area | ft²   11,032      
ASU 2016-02          
Lessee Lease Description [Line Items]          
Operating lease, right-of-use asset         $ 800,000
Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List         us-gaap:PrepaidExpenseAndOtherAssetsCurrent
Adjustment for deferred rent         $ 200,000
Operating Lease, Liability, Statement of Financial Position [Extensible List]         us-gaap:AccruedLiabilitiesCurrent
Operating lease, liability         $ 1,000,000
Cumulative-effect adjustment to retained earnings $ 0        
Minimum [Member]          
Lessee Lease Description [Line Items]          
Lease term   1 year      
Maximum          
Lessee Lease Description [Line Items]          
Lease term   5 years      
Lease initial term of contract   1 year