v3.19.3
Geographic Information - Schedule of Sales by Geographical Area (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Revenues from External Customers and Long-Lived Assets [Line Items]        
Net sales by geographical area $ 7,057 $ 5,378 $ 17,211 $ 15,682
Central America [Member]        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Net sales by geographical area   153 27 573
South America [Member]        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Net sales by geographical area 1,874 1,941 6,045 6,116
Caribbean [Member]        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Net sales by geographical area 1,083 1,166 2,982 2,729
United States [Member]        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Net sales by geographical area $ 4,100 $ 2,118 $ 8,157 $ 6,264