Quarterly report pursuant to Section 13 or 15(d)

Leases - Additional Information (Detail)

v3.20.1
Leases - Additional Information (Detail)
 3 Months Ended
Jan. 02, 2019
USD ($)
Mar. 31, 2020
USD ($)
Lease
Jul. 01, 2020
USD ($)
Dec. 31, 2019
USD ($)
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   $ 135,000   $ 276,000  
Operating lease, liability   $ 140,000      
Lessee, operating lease incremental borrowing rate         12.78%
Operating lease, lease not yet commenced, description   the Company entered into two new real property leases which will commence in July 1, 2020.      
Number of new real property leases | Lease   2      
Scenario Forecast          
Lessee Lease Description [Line Items]          
Operating lease, right-of-use asset     $ 1,800,000    
Operating lease, liability     $ 1,800,000    
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          
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