Deferred Revenue (Tables)

12 Months Ended

Dec. 31, 2020

Revenue Recognition and Deferred Revenue [Abstract]

Schedule of deferred revenue

Balance – December  31, 2019	$	35
Amounts collected or invoiced		1,036
Revenue recognized		(669	)
Balance- December 31, 2020	$	402

Schedule of deferred revenue recognized in future

2021	$	82
2022		82
2023 and thereafter		238
Total	$	402