Revenue Recognition - Schedule of Disaggregated Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Disaggregation of Revenue [Line Items]
Revenue	$ 100,437	$ 80,285
Restaurant/Retail
Disaggregation of Revenue [Line Items]
Revenue	68,584	58,846
Restaurant/Retail | Point in Time
Disaggregation of Revenue [Line Items]
Revenue	33,262	30,207
Restaurant/Retail | Over Time
Disaggregation of Revenue [Line Items]
Revenue	35,322	28,639
Government
Disaggregation of Revenue [Line Items]
Revenue	31,853	21,439
Government | Point in Time
Disaggregation of Revenue [Line Items]
Revenue	80	83
Government | Over Time
Disaggregation of Revenue [Line Items]
Revenue	31,773	21,356
Hardware
Disaggregation of Revenue [Line Items]
Revenue	26,777	25,073
Hardware | Restaurant/Retail | Point in Time
Disaggregation of Revenue [Line Items]
Revenue	26,777	25,073
Hardware | Restaurant/Retail | Over Time
Disaggregation of Revenue [Line Items]
Revenue	0	0
Hardware | Government | Point in Time
Disaggregation of Revenue [Line Items]
Revenue	0	0
Hardware | Government | Over Time
Disaggregation of Revenue [Line Items]
Revenue	0	0
Subscription service
Disaggregation of Revenue [Line Items]
Revenue	27,965	21,285
Subscription service | Restaurant/Retail | Point in Time
Disaggregation of Revenue [Line Items]
Revenue	0	0
Subscription service | Restaurant/Retail | Over Time
Disaggregation of Revenue [Line Items]
Revenue	27,965	21,285
Subscription service | Government | Point in Time
Disaggregation of Revenue [Line Items]
Revenue	0	0
Subscription service | Government | Over Time
Disaggregation of Revenue [Line Items]
Revenue	0	0
Professional service
Disaggregation of Revenue [Line Items]
Revenue	13,842	12,488
Professional service | Restaurant/Retail | Point in Time
Disaggregation of Revenue [Line Items]
Revenue	6,485	5,134
Professional service | Restaurant/Retail | Over Time
Disaggregation of Revenue [Line Items]
Revenue	7,357	7,354
Professional service | Government | Point in Time
Disaggregation of Revenue [Line Items]
Revenue	0	0
Professional service | Government | Over Time
Disaggregation of Revenue [Line Items]
Revenue	0	0
Mission systems | Restaurant/Retail | Point in Time
Disaggregation of Revenue [Line Items]
Revenue	0	0
Mission systems | Restaurant/Retail | Over Time
Disaggregation of Revenue [Line Items]
Revenue	0	0
Mission systems | Government | Point in Time
Disaggregation of Revenue [Line Items]
Revenue	0	0
Mission systems | Government | Over Time
Disaggregation of Revenue [Line Items]
Revenue	9,383	8,915
Intelligence, surveillance, and reconnaissance solutions | Restaurant/Retail | Point in Time
Disaggregation of Revenue [Line Items]
Revenue	0	0
Intelligence, surveillance, and reconnaissance solutions | Restaurant/Retail | Over Time
Disaggregation of Revenue [Line Items]
Revenue	0	0
Intelligence, surveillance, and reconnaissance solutions | Government | Point in Time
Disaggregation of Revenue [Line Items]
Revenue	0	0
Intelligence, surveillance, and reconnaissance solutions | Government | Over Time
Disaggregation of Revenue [Line Items]
Revenue	22,216	12,290
Commercial software | Restaurant/Retail | Point in Time
Disaggregation of Revenue [Line Items]
Revenue	0	0
Commercial software | Restaurant/Retail | Over Time
Disaggregation of Revenue [Line Items]
Revenue	0	0
Commercial software | Government | Point in Time
Disaggregation of Revenue [Line Items]
Revenue	80	83
Commercial software | Government | Over Time
Disaggregation of Revenue [Line Items]
Revenue	$ 174	$ 151