Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2020

Revenue from Contract with Customer [Abstract]

Schedule of Performance Obligations

Next 12 Months	$	52,796
Months 13-24	35,110
Months 25-36	27,924
Thereafter	20,227
TOTAL	$	136,057

:

(in thousands)	2020			2019
Beginning balance - January 1	$	16,000		$	14,134
Deferral of revenue	8,579			7,023
Recognition of revenue	(8,571		)	(6,047		)
Changes in customer deposits	(1,741		)	1,237
Ending balance - March 31	$	14,267		$	16,347

Schedule of Disaggregated Revenue

Disaggregation of revenue for the three months ended March 31, 2020 and March 31, 2019 is as follows:

(in thousands)	Three months ended March 31, 2020
	Restaurant/Retail - Point in Time		Restaurant/Retail - Over Time		Government - Over Time
Restaurant/Retail	$	28,838	$	8,571	$	—
Mission Systems	—		—		8,448
ISR Solutions	—		—		8,875
TOTAL	$	28,838	$	8,571	$	17,323

(in thousands)	Three months ended March 31, 2019
	Restaurant/Retail - Point in Time		Restaurant/Retail - Over Time		Government - Over Time
Restaurant/Retail	$	23,023	$	5,103	$	—
Grocery	490		944		—
Mission Systems	—		—		8,546
ISR Solutions	—		—		6,576
TOTAL	$	23,513	$	6,047	$	15,122