Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Narrative (Detail)

v3.19.3.a.u2
Commitments and Contingencies - Narrative (Detail) - USD ($)
$ in Millions
3 Months Ended
Apr. 25, 2019
Jun. 30, 2019
Dec. 31, 2019
Dec. 31, 2018
Contractual Obligation [Line Items]        
Weighted average interest rate of debt     4.64% 4.56%
Health Discovery Corporation Case | Milestone and Royalty Payment        
Contractual Obligation [Line Items]        
Amount awarded to HDC $ 1.5      
Health Discovery Corporation Case | Lack of Development and Commercialization        
Contractual Obligation [Line Items]        
Amount awarded to HDC $ 5.1 $ 6.7