REVENUE FROM SERVICES (Tables)

12 Months Ended

Dec. 31, 2019

Revenue From Contract With Customer [Abstract]

Schedule of Changes in Deferred Costs on Contracts

Changes in our deferred costs on contracts are as follows for the years ended December 31:

	2019			2018
Balance at beginning of year	$	3,746		$	1,780
Fulfillment costs incurred		30,905			9,076
Amortization of fulfillment costs		(19,685	)		(7,110	)
Balance at end of year	$	14,966		$	3,746

Schedule of Change in Deferred Revenue

Changes in our deferred revenue are as follows for the years ended December 31:

	2019			2018
Balance at beginning of year	$	4,357		$	1,477
Acquired from GEOK		—			2,856
Cash received, excluding amounts recognized as revenue from services		20,334			6,580
Amounts recognized as revenue from services		(15,967	)		(6,556	)
Balance at end of year	$	8,724		$	4,357

Schedule of Revenue from Services

The following table disaggregates our revenue from services for the years ended December 31:  

	2019						2018
	Land		Marine		Total		Land		Marine		Total
North America	$	126,317	$	—	$	126,317	$	71,326	$	—	$	71,326
South America		5,171		18,546		23,717		22,531		—		22,531
Asia Pacific		3,715		101,485		105,200		4,813		—		4,813
Total	$	135,203	$	120,031	$	255,234	$	98,670	$	—	$	98,670