REVENUE RECOGNITION - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Disaggregation of Revenue [Line Items]
Total revenue	$ 35,968	$ 28,498	$ 66,584	$ 58,117
Security Solutions
Disaggregation of Revenue [Line Items]
Total revenue	32,474	17,867	58,292	36,507
Secure Networks
Disaggregation of Revenue [Line Items]
Total revenue	3,494	10,631	8,292	21,610
Revenue from Contract with Customer, Product and Service Benchmark | Customer Concentration Risk
Disaggregation of Revenue [Line Items]
Total revenue	$ 35,968	$ 28,498	$ 66,584	$ 58,117
Concentration risk, percentage	100.00%	100.00%	100.00%	100.00%
Revenue from Contract with Customer, Product and Service Benchmark | Customer Concentration Risk | Firm fixed-price
Disaggregation of Revenue [Line Items]
Total revenue	$ 25,153	$ 22,179	$ 45,151	$ 45,015
Concentration risk, percentage	70.00%	78.00%	68.00%	77.00%
Revenue from Contract with Customer, Product and Service Benchmark | Customer Concentration Risk | Time-and-materials
Disaggregation of Revenue [Line Items]
Total revenue	$ 8,913	$ 3,022	$ 17,290	$ 6,159
Concentration risk, percentage	25.00%	11.00%	26.00%	11.00%
Revenue from Contract with Customer, Product and Service Benchmark | Customer Concentration Risk | Cost plus fixed fee
Disaggregation of Revenue [Line Items]
Total revenue	$ 1,902	$ 3,297	$ 4,143	$ 6,943
Concentration risk, percentage	5.00%	11.00%	6.00%	12.00%
Federal | Revenue from Contract with Customer, Product and Service Benchmark | Customer Concentration Risk
Disaggregation of Revenue [Line Items]
Total revenue	$ 32,672	$ 24,832	$ 59,972	$ 51,439
Concentration risk, percentage	91.00%	87.00%	90.00%	89.00%
Federal | Revenue from Contract with Customer, Segment Benchmark | Customer Concentration Risk
Disaggregation of Revenue [Line Items]
Total revenue	$ 32,672	$ 24,832	$ 59,972	$ 51,439
Federal | Revenue from Contract with Customer, Segment Benchmark | Customer Concentration Risk | Security Solutions
Disaggregation of Revenue [Line Items]
Total revenue	29,032	14,209	51,684	29,872
Federal | Revenue from Contract with Customer, Segment Benchmark | Customer Concentration Risk | Secure Networks
Disaggregation of Revenue [Line Items]
Total revenue	3,640	10,623	8,288	21,567
State & local, and commercial | Revenue from Contract with Customer, Product and Service Benchmark | Customer Concentration Risk
Disaggregation of Revenue [Line Items]
Total revenue	$ 3,296	$ 3,666	$ 6,612	$ 6,678
Concentration risk, percentage	9.00%	13.00%	10.00%	11.00%