Credit Risk and Concentrations - Schedule of Revenue by Reporting Segments (Details) $ in Thousands	3 Months Ended				9 Months Ended
	Sep. 30, 2021 USD ($) segment	Jun. 30, 2021 segment	Mar. 31, 2021 segment	Sep. 30, 2020 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)
Concentration Risk [Line Items]
Number of reportable segments | segment	3	3	1
Revenues	$ 4,450			$ 2,554	$ 10,857	$ 5,434
Gross Profit	3,264			1,909	7,891	3,975
Indoor Intelligence
Concentration Risk [Line Items]
Revenues	3,234			1,466	7,121	3,329
Gross Profit	2,343			1,066	5,020	2,287
Saves
Concentration Risk [Line Items]
Revenues	714			585	2,229	585
Gross Profit	490			418	1,588	418
Shoom
Concentration Risk [Line Items]
Revenues	502			503	1,507	1,520
Gross Profit	$ 431			$ 425	$ 1,283	$ 1,270