Quarterly report [Sections 13 or 15(d)]

Segment Reporting - Schedule of Selected Financial Data by Business Segment (Details)

v3.26.3
Segment Reporting - Schedule of Selected Financial Data by Business Segment (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Segment Reporting [Line Items]        
Revenues $ 109,035 $ 103,432 $ 323,081 $ 226,587
Cost of sales 73,813 86,622 229,507 219,800
Selling, general and administrative 24,629 37,326 110,699 76,843
Transaction expenses 0 58 0 115
Research and development 14,070 7,486 38,915 9,764
Reportable segment income (loss) from operations (3,477) (28,060) (56,040) (79,935)
Purchase accounting fair value adjustment related to inventory 0 11,227 0 13,645
Reportable Segment Adjusted EBITDA 10,046 4,559 24,247 430
Segment Reporting, Reconciliation of Profit (Loss) by Segment to Consolidated [Abstract]        
Interest income (expense), net 2,653 (6,282) (610) (33,631)
Depreciation and amortization expense (11,214) (12,121) (33,924) (20,227)
Severance costs (155) (353) (711) (2,529)
Equity-based compensation expense (6,310) (11,993) (56,945) (47,591)
Transaction expenses (934) (684) (985) (21,126)
All other corporate charges (14,695) 7,070 (56,113) (21,260)
Debt financing costs and extinguishment losses     (4,185) 0
Purchase accounting fair value adjustment related to inventory 0 (11,227) 0 (13,645)
Acquisition integration cost (551) (1,041) (1,035) (1,498)
Income (loss) before income taxes (23,595) (34,290) (138,565) (167,003)
Operating Segments        
Segment Reporting [Line Items]        
Transaction expenses 0 58 0 115
Other (income) expense, net 776 233 1,280 (3,344)
Depreciation and amortization expense 10,191 11,602 31,261 18,832
Purchase accounting fair value adjustment related to inventory 0 11,227 0 13,645
Severance costs 116 348 650 2,480
Equity-based compensation expense 2,335 9,105 47,306 40,980
Acquisition integration cost 213 347 697 804
Disposal of long-lived assets 47 165 256 165
Litigation-related expenses 1,325 0 1,325 0
Capital market and advisory fees 72 0 72 0
Segment Reporting, Reconciliation of Profit (Loss) by Segment to Consolidated [Abstract]        
Purchase accounting fair value adjustment related to inventory 0 (11,227) 0 (13,645)
Disposal of long-lived assets (47) (165) (256) (165)
Litigation-related expenses (1,325) 0 (1,325) 0
Capital market and advisory fees 72 0 72 0
Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment        
Segment Reporting [Line Items]        
Disposal of long-lived assets 218 165 427 165
Litigation-related expenses 862 1,216 1,765 1,216
Capital market and advisory fees 1,355 837 6,112 4,545
Segment Reporting, Reconciliation of Profit (Loss) by Segment to Consolidated [Abstract]        
Disposal of long-lived assets (218) (165) (427) (165)
Litigation-related expenses (862) (1,216) (1,765) (1,216)
Capital market and advisory fees 1,355 837 6,112 4,545
Space        
Segment Reporting [Line Items]        
Revenues 61,266 46,548 169,127 155,363
Cost of sales 50,268 44,675 149,592 148,862
Selling, general and administrative 5,630 6,931 14,109 14,320
Transaction expenses 0 0 0 0
Research and development 4,992 644 14,611 1,682
Reportable segment income (loss) from operations 376 (5,702) (9,185) (9,501)
Reportable Segment Adjusted EBITDA 2,806 (1,900) (2,926) 6,585
Space | Operating Segments        
Segment Reporting [Line Items]        
Transaction expenses 0 0 0 0
Other (income) expense, net 223 15 961 (3,840)
Depreciation and amortization expense 1,579 2,165 4,838 6,214
Purchase accounting fair value adjustment related to inventory 0 0 0 0
Severance costs 93 315 393 2,442
Equity-based compensation expense 889 1,189 1,897 3,145
Acquisition integration cost 0 148 0 445
Disposal of long-lived assets 20 0 20 0
Litigation-related expenses 0 0 0 0
Capital market and advisory fees 72 0 72 0
Segment Reporting, Reconciliation of Profit (Loss) by Segment to Consolidated [Abstract]        
Purchase accounting fair value adjustment related to inventory 0 0 0 0
Disposal of long-lived assets (20) 0 (20) 0
Litigation-related expenses 0 0 0 0
Capital market and advisory fees 72 0 72 0
Defense Tech        
Segment Reporting [Line Items]        
Revenues 47,769 56,884 153,954 71,224
Cost of sales 23,545 41,947 79,915 70,938
Selling, general and administrative 18,999 30,395 96,590 62,523
Transaction expenses 0 58 0 115
Research and development 9,078 6,842 24,304 8,082
Reportable segment income (loss) from operations (3,853) (22,358) (46,855) (70,434)
Reportable Segment Adjusted EBITDA 7,240 6,459 27,173 (6,155)
Defense Tech | Operating Segments        
Segment Reporting [Line Items]        
Transaction expenses 0 58 0 115
Other (income) expense, net 553 218 319 496
Depreciation and amortization expense 8,612 9,437 26,423 12,618
Purchase accounting fair value adjustment related to inventory 0 11,227 0 13,645
Severance costs 23 33 257 38
Equity-based compensation expense 1,446 7,916 45,409 37,835
Acquisition integration cost 213 199 697 359
Disposal of long-lived assets 27 165 236 165
Litigation-related expenses 1,325 0 1,325 0
Capital market and advisory fees 0 0 0 0
Segment Reporting, Reconciliation of Profit (Loss) by Segment to Consolidated [Abstract]        
Purchase accounting fair value adjustment related to inventory 0 (11,227) 0 (13,645)
Disposal of long-lived assets (27) (165) (236) (165)
Litigation-related expenses (1,325) 0 (1,325) 0
Capital market and advisory fees $ 0 $ 0 $ 0 $ 0