Annual report pursuant to Section 13 and 15(d)

Subsequent Events - Additional Information (Detail)

v3.20.1
Subsequent Events - Additional Information (Detail)
Feb. 04, 2020
USD ($)
ft²
Jan. 22, 2020
USD ($)
ft²
Mar. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Nov. 09, 2018
USD ($)
Subsequent Event [Line Items]          
Future minimum rent payments       $ 342,000  
Maximum          
Subsequent Event [Line Items]          
Lease term       5 years  
Minimum          
Subsequent Event [Line Items]          
Lease term       1 year  
SWK Loan | Maximum          
Subsequent Event [Line Items]          
Debt instrument covenants unencumbered liquid assets         $ 1,500,000
Credit Agreement, Fourth Amendment | Scenario Forecast | SWK Loan | Maximum          
Subsequent Event [Line Items]          
Debt instrument covenants unencumbered liquid assets     $ 3,000,000    
Subsequent Event          
Subsequent Event [Line Items]          
Operating lease agreement date Feb. 04, 2020 Jan. 22, 2020      
Lease term 66 months 5 years      
Area of real property | ft² 11,000 11,000      
Operating lease commencement date Jul. 01, 2020 Jul. 01, 2020      
Future minimum rent payments $ 2,100,000 $ 500,000