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Discontinued operations - Schedule of Key Components of Loss from Discontinued Operations (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Discontinued Operations [Line Items] |  |  |  |
Loss on disposal |  |  | $ 0 | $ (8,897)
Loss before income taxes | $ 0 | $ (15,159) | 0 | (22,067)
Income tax expense | 0 | 0 | 0 | (114)
Loss from discontinued operations, net of income taxes | $ 0 | (15,159) | $ 0 | (22,181)
Discontinued Operations, Disposed of by Sale |  |  |  |
Discontinued Operations [Line Items] |  |  |  |
Revenue |  | 10,823 |  | 24,116
Cost of revenue |  | 8,716 |  | 21,689
Gross profit |  | 2,107 |  | 2,427
Operating expenses |  | (8,278) |  | (15,429)
Other expense, net |  | (91) |  | (168)
Loss on disposal |  | (8,897) |  | (8,897)
Loss before income taxes |  | (15,159) |  | (22,067)
Income tax expense |  | 0 |  | (114)
Loss from discontinued operations, net of income taxes |  | (15,159) |  | (22,181)
Discontinued Operations, Disposed of by Sale | Global Cooling |  |  |  |
Discontinued Operations [Line Items] |  |  |  |
Revenue |  | 2,209 |  | 7,157
Cost of revenue |  | 1,789 |  | 8,389
Gross profit |  | 420 |  | (1,232)
Operating expenses |  | (5,105) |  | (9,418)
Other expense, net |  | 9 |  | (25)
Loss on disposal |  | (8,897) |  | (8,897)
Loss before income taxes |  | (13,573) |  | (19,572)
Income tax expense |  | 0 |  | (10)
Loss from discontinued operations, net of income taxes |  | (13,573) |  | (19,582)
Discontinued Operations, Disposed of by Sale | SciSafe |  |  |  |
Discontinued Operations [Line Items] |  |  |  |
Revenue |  | 5,279 |  | 10,414
Cost of revenue |  | 4,205 |  | 7,930
Gross profit |  | 1,074 |  | 2,484
Operating expenses |  | (1,853) |  | (3,516)
Other expense, net |  | (69) |  | (87)
Loss on disposal |  | 0 |  | 0
Loss before income taxes |  | (848) |  | (1,119)
Income tax expense |  | 4 |  | (95)
Loss from discontinued operations, net of income taxes |  | (844) |  | (1,214)
Discontinued Operations, Disposed of by Sale | CBS |  |  |  |
Discontinued Operations [Line Items] |  |  |  |
Revenue |  | 3,335 |  | 6,545
Cost of revenue |  | 2,722 |  | 5,370
Gross profit |  | 613 |  | 1,175
Operating expenses |  | (1,320) |  | (2,495)
Other expense, net |  | (31) |  | (56)
Loss on disposal |  | 0 |  | 0
Loss before income taxes |  | (738) |  | (1,376)
Income tax expense |  | (4) |  | (9)
Loss from discontinued operations, net of income taxes |  | $ (742) |  | $ (1,385)

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- Definition Amount before tax of income (loss) from a discontinued operation. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(12)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 205 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 3A -Publisher FASB -URI https://asc.fasb.org/1943274/2147483475/205-20-45-3A Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 205 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5B -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483499/205-20-50-5B Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 205 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147483475/205-20-45-3B Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 205 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483475/205-20-45-4 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 205 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483499/205-20-50-1 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 205 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483475/205-20-45-3 Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(14)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 + Details
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