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v3.21.2

Related Party Transactions - Other Purchases and Sales (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020
Related Party Transaction [Line Items] |  |  |  |  |
Due from related parties | $ 0 |  | $ 0 |  | $ 42,000
Secured term note payable - related party | $ 0 |  | $ 0 |  | 1,077,000
Applied Cryo Technologies |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Equity method investment, ownership percentage | 51.00% | 51.00% | 51.00% | 51.00% |
Payment for equipment repairs and services | $ 32,000 | $ 36,000 | $ 530,000 | $ 109,000 |
Affiliated Entity |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Purchases from related parties | 59,000 | 2,000 | 137,000 | 22,000 |
Secured term note payable - related party | $ 58,000 |  | $ 58,000 |  | 14,000
Affiliated Entity | Crenshaw Family Holdings | Board of Directors Chairman |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Percentage of beneficial ownership |  |  | 25.00% |  |
Affiliated Entity | Chart E&C |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Percentage of common stock owned | 8.30% |  | 8.30% |  |
Affiliated Entity | Applied Cryo Technologies |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Related party sales | $ 30,000 | 0 | $ 30,000 | 0 |
Due from related parties | 30,000 |  | 30,000 |  | 2,000
Due to related parties | $ 15,000 |  | $ 15,000 |  | 121,000
Affiliated Entity | TMG |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Equity method investment, ownership percentage | 25.00% |  | 25.00% |  |
Related party sales | $ 13,000 | 0 | $ 13,000 | 0 |
Due from related parties | 11,000 |  | 11,000 |  | 0
Due to related parties | 548,000 |  | 548,000 |  | $ 582,000
Purchase of supplies and services | $ 127,000 | $ 18,000 | $ 848,000 | $ 213,000 |

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