Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2020

Revenue from Contract with Customer [Abstract]

Schedule of Performance Obligations

The activity of outstanding performance obligations as is relates to customer deposits and deferred service revenue is as follows:

(in thousands)	2020	2019
Beginning balance - January 1	16,000	14,258
Change in deferred revenue	(4,677)	828
Changes in customer deposits	1,390	(115)
Ending balance - September 30	12,713	14,971

The value of existing contracts, net of amounts relating to work performed at September 30, 2020 are expected to be recognized as revenue over time as follows (in thousands):

Next 12 Months	$	66,666
Months 13-24	43,361
Months 25-36	31,156
Thereafter	21,272
TOTAL	$	162,455

Schedule of Disaggregated Revenue

Disaggregation of revenue for the three and nine months ended September 30, 2020 and September 30, 2019 is as follows:

(in thousands)	Three months ended September 30, 2020
	Restaurant/Retail - Point in Time		Restaurant/Retail - Over Time		Government - Over Time
Restaurant/Retail	$	29,739	$	7,608	$	—
Mission Systems	$	—	$	—	$	8,084
ISR Solutions	$	—	$	—	$	8,943
Product	$	—	$	—	$	473
TOTAL	$	29,739	$	7,608	$	17,500

(in thousands)	Three months ended September 30, 2019
	Restaurant/Retail - Point in Time		Restaurant/Retail - Over Time		Government - Over Time
Restaurant/Retail	$	23,599	$	5,508	$	—
Grocery	335		399		—
Mission Systems	—		—		8,444
ISR Solutions	—		—		7,057
Product	—		—		38
TOTAL	$	23,934	$	5,907	$	15,539

(in thousands)	Nine months ended September 30, 2020
	Restaurant/Retail - Point in Time		Restaurant/Retail - Over Time		Government - Over Time
Restaurant/Retail	$	77,373	$	25,016	$	—
Mission Systems	—		—		24,620
ISR Solutions	—		—		27,457
Product	—		—		804
TOTAL	$	77,373	$	25,016	$	52,881

(in thousands)	Nine months ended September 30, 2019
	Restaurant/Retail - Point in Time		Restaurant/Retail - Over Time		Government - Over Time
Restaurant/Retail	$	65,849	$	18,718	$	—
Grocery	1,067		2,029		—
Mission Systems	—		—		25,177
ISR Solutions	—		—		20,603
Product	—		—		866
TOTAL	$	66,916	$	20,747	$	46,646