Revenues (Tables)

3 Months Ended

Mar. 31, 2020

Revenues [Abstract]

Disaggregation of Revenue by Geographic Region

	Three Months Ended
	March 31,
	2020		2019
United States
Product sales	$	17,440	$	19,564
Services		3,528		5,781
Total United States		20,968		25,345
Canada
Product sales		20,807		16,621
Services		8,559		8,375
Total Canada		29,366		24,996
Other Countries
Product sales		1,183		1,047
Services		3,033		1,462
Total Other Countries		4,216		2,509
Total
Product sales		39,430		37,232
Services		15,120		15,618
Total revenues	$	54,550	$	52,850

Schedule of Contract Liabilities

Balance at December 31, 2019	$	59
Additions		-
Revenue recognized		(5)
Balance at March 31, 2020	$	54