REVENUE RECOGNITION - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Disaggregation of Revenue [Line Items]
Total revenue	$ 51,444	$ 23,783	$ 118,028	$ 81,900
Security Solutions
Disaggregation of Revenue [Line Items]
Total revenue	46,478	18,332	104,770	54,839
Secure Networks
Disaggregation of Revenue [Line Items]
Total revenue	4,966	5,451	13,258	27,061
Revenue from Contract with Customer, Product and Service Benchmark | Customer Concentration Risk
Disaggregation of Revenue [Line Items]
Total revenue	$ 51,444	$ 23,783	$ 118,028	$ 81,900
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	$ 39,409	$ 18,293	$ 84,560	$ 63,308
Concentration risk, percentage	77.00%	77.00%	71.00%	77.00%
Revenue from Contract with Customer, Product and Service Benchmark | Customer Concentration Risk | Time-and-materials
Disaggregation of Revenue [Line Items]
Total revenue	$ 9,499	$ 3,045	$ 26,789	$ 9,204
Concentration risk, percentage	18.00%	13.00%	23.00%	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	$ 2,536	$ 2,445	$ 6,679	$ 9,388
Concentration risk, percentage	5.00%	10.00%	6.00%	12.00%
Federal | Revenue from Contract with Customer, Product and Service Benchmark | Customer Concentration Risk
Disaggregation of Revenue [Line Items]
Total revenue	$ 47,296	$ 20,607	$ 107,268	$ 72,046
Concentration risk, percentage	92.00%	87.00%	91.00%	88.00%
Federal | Revenue from Contract with Customer, Segment Benchmark | Customer Concentration Risk
Disaggregation of Revenue [Line Items]
Total revenue	$ 47,296	$ 20,607	$ 107,268	$ 72,046
Federal | Revenue from Contract with Customer, Segment Benchmark | Customer Concentration Risk | Security Solutions
Disaggregation of Revenue [Line Items]
Total revenue	42,333	15,168	94,017	45,040
Federal | Revenue from Contract with Customer, Segment Benchmark | Customer Concentration Risk | Secure Networks
Disaggregation of Revenue [Line Items]
Total revenue	4,963	5,439	13,251	27,006
State, local, and commercial | Revenue from Contract with Customer, Product and Service Benchmark | Customer Concentration Risk
Disaggregation of Revenue [Line Items]
Total revenue	$ 4,148	$ 3,176	$ 10,760	$ 9,854
Concentration risk, percentage	8.00%	13.00%	9.00%	12.00%