Accrued Liabilities - Components of Accrued Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Payables And Accruals [Abstract]
Accrued compensation and benefits	$ 7,751	$ 9,367
Accrued warranty obligations	6,526	5,624
Acquired customer product liabilities		546
Corporate income tax payable	2,341	1,521
Contingent consideration amount		2,063
VAT payable	2,614	2,286
Accrued satellite network and other equipment	247	227
Accrued inventory purchases	448	219
Accrued interest expense	5,000	5,000
Accrued professional fees	329	303
Accrued airtime charges	1,818	901
Short-term lease liability	2,608
Other accrued expenses	7,269	7,678
Total accrued liabilities	$ 36,951	$ 35,735