Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 6,275	$ 5,962
Accumulated Amortization	(3,296)	(3,096)
Net Carrying Value	$ 2,979	$ 2,866
Weighted Average Useful Life	7 years	6 years 7 months 6 days
Wrong Way Development Costs [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 228	$ 228
Accumulated Amortization	(228)	(228)
Net Carrying Value	0	0
Vision Development Costs [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	3,107	3,107
Accumulated Amortization	(2,056)	(1,953)
Net Carrying Value	$ 1,051	$ 1,154
Weighted Average Useful Life	8 years	8 years
Echo development costs [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 1,852	$ 1,852
Accumulated Amortization	(573)	(506)
Net Carrying Value	$ 1,279	$ 1,346
Weighted Average Useful Life	7 years	7 years
IntellitraffiQ Development Costs [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 468	$ 468
Accumulated Amortization	(439)	(409)
Net Carrying Value	$ 29	$ 59
Weighted Average Useful Life	4 years	4 years
Software development in process costs [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 620	$ 307
Accumulated Amortization	0	0
Net Carrying Value	$ 620	$ 307