Revenue Recognition (Tables)

6 Months Ended

Jun. 30, 2022

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

Table 3.1: Revenue by Operating Segments
	For the Three Months Ended				For the Six Months Ended
	June 30, 2022		June 30, 2021		June 30, 2022		June 30, 2021
	(in thousands)
Security Solutions:
Services	$	25,298	$	27,595	$	50,165	$	46,725
Products	5,521		4,641		7,573		8,341
Total Security Solutions revenue	30,819		32,236		57,738		55,066
Secure Networks:
Services	24,972		21,408		48,213		54,336
Products	—		—		—		—
Total Secure Networks revenue	24,972		21,408		48,213		54,336
Total revenue	$	55,791	$	53,644	$	105,951	$	109,402

Table 3.2: Revenue by Customer Type
	For the Three Months Ended				For the Six Months Ended
	June 30, 2022		June 30, 2021		June 30, 2022		June 30, 2021
	(in thousands)
Security Solutions:
Federal	$	27,251	$	29,830	$	51,853	$	50,281
State & local, and commercial	3,568		2,406		5,885		4,785
Total Security Solutions revenue	30,819		32,236		57,738		55,066
Secure Networks:
Federal	24,962		21,302		48,203		54,198
State & local, and commercial	10		106		10		138
Total Secure Networks revenue	24,972		21,408		48,213		54,336
Total revenue	$	55,791	$	53,644	$	105,951	$	109,402

Table 3.3: Revenue by Contract Type
	For the Three Months Ended				For the Six Months Ended
	June 30, 2022		June 30, 2021		June 30, 2022		June 30, 2021
	(in thousands)
Security Solutions:
Firm fixed-price	$	26,275	$	27,457	$	48,742	$	45,469
Time-and-materials	2,731		3,059		5,646		6,060
Cost plus fixed fee	1,813		1,720		3,350		3,537
Total Security Solutions revenue	$	30,819	$	32,236	$	57,738	$	55,066
Secure Networks:
Firm fixed-price	19,030		18,885		37,839		50,014
Time-and-materials	—		—		—		29
Cost plus fixed fee	5,942		2,523		10,374		4,293
Total Secure Networks revenue	24,972		21,408		48,213		54,336
Total revenue	$	55,791	$	53,644	$	105,951	$	109,402

Schedules of Concentration of Risk, by Risk Factor

Table 3.4: Revenue Concentrations Greater than 10% of Total Revenue
	For the Three Months Ended		For the Six Months Ended
	June 30, 2022	June 30, 2021	June 30, 2022	June 30, 2021
U.S. Department of Defense ("DoD")	72%	67%	71%	76%
Civilian	22%	28%	23%	20%

Contract Balances

Table 3.5: Contract Balances
	June 30, 2022		December 31, 2021
	(in thousands)
Contract assets (unbilled receivables)	$	36,216	$	41,374
Contract liabilities	4,799		6,381