REVENUE RECOGNITION - Schedule of Revenue by Customer Type (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Disaggregation of Revenue [Line Items]
Total revenue	$ 108,272	$ 145,378
Security Solutions Segment
Disaggregation of Revenue [Line Items]
Total revenue	76,760	77,416
Secure Networks Segment
Disaggregation of Revenue [Line Items]
Total revenue	31,512	67,962
Revenue from Contract with Customer, Product and Service Benchmark | Customer Concentration Risk
Disaggregation of Revenue [Line Items]
Total revenue	108,272	145,378
Revenue from Contract with Customer, Product and Service Benchmark | Customer Concentration Risk | Firm fixed-price
Disaggregation of Revenue [Line Items]
Total revenue	$ 81,541	$ 114,188
Concentration risk, percentage	75.00%	79.00%
Revenue from Contract with Customer, Product and Service Benchmark | Customer Concentration Risk | Time-and-materials
Disaggregation of Revenue [Line Items]
Total revenue	$ 15,839	$ 13,535
Concentration risk, percentage	15.00%	9.00%
Revenue from Contract with Customer, Product and Service Benchmark | Customer Concentration Risk | Cost plus fixed-fee
Disaggregation of Revenue [Line Items]
Total revenue	$ 10,892	$ 17,655
Concentration risk, percentage	10.00%	12.00%
Federal government | Revenue from Contract with Customer, Product and Service Benchmark | Customer Concentration Risk
Disaggregation of Revenue [Line Items]
Total revenue	$ 94,951	$ 131,143
Concentration risk, percentage	88.00%	90.00%
State & local government, and commercial | Revenue from Contract with Customer, Product and Service Benchmark | Customer Concentration Risk
Disaggregation of Revenue [Line Items]
Total revenue	$ 13,321	$ 14,235
Concentration risk, percentage	12.00%	10.00%
U.S. Department of Defense ("DoD") | Revenue from Contract with Customer, Segment Benchmark | Customer Concentration Risk | Security Solutions Segment
Disaggregation of Revenue [Line Items]
Concentration risk, percentage	24.00%	18.00%
U.S. Department of Defense ("DoD") | Revenue from Contract with Customer, Segment Benchmark | Customer Concentration Risk | Secure Networks Segment
Disaggregation of Revenue [Line Items]
Concentration risk, percentage	29.00%	47.00%
U.S. Department of Homeland Security ("DHS") | Revenue from Contract with Customer, Segment Benchmark | Customer Concentration Risk | Security Solutions Segment
Disaggregation of Revenue [Line Items]
Concentration risk, percentage	15.00%