Credit Risk, Concentrations, and Segment Reporting - Revenue by Reporting Segments (Details) $ in Thousands	3 Months Ended			12 Months Ended
	Dec. 31, 2021 segment	Sep. 30, 2021 segment	Jun. 30, 2021 segment	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Concentration Risk [Line Items]
Number of reportable segments | segment	3	3	1
Total segment revenue				$ 15,995	$ 9,297
Gross profit by Segment				11,621	6,684
Income (loss) from operations by Segment				(72,617)	(23,794)
Indoor Intelligence
Concentration Risk [Line Items]
Total segment revenue				11,046	6,060
Gross profit by Segment				7,833	4,108
Income (loss) from operations by Segment				(72,054)	(23,976)
Saves
Concentration Risk [Line Items]
Total segment revenue				2,938	1,218
Gross profit by Segment				2,072	884
Income (loss) from operations by Segment				(1,509)	(807)
Shoom
Concentration Risk [Line Items]
Total segment revenue				2,011	2,019
Gross profit by Segment				1,716	1,692
Income (loss) from operations by Segment				$ 946	$ 989