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v3.21.2

Related Party Transactions - Other Purchases and Sales (Details) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | Dec. 31, 2020
Related Party Transaction [Line Items] |  |  |  |  |
Due from related parties | $ 0 |  | $ 0 |  | $ 42,000
Secured term note payable - related party | $ 1,077,000 |  | $ 1,077,000 |  | 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 | $ 132,000 | $ 40,000 | $ 498,000 | $ 73,000 |
Affiliated Entity |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Purchases from related parties | 35,000 | 10,000 | 78,000 | 20,000 |
Secured term note payable - related party | $ 32,000 |  | $ 32,000 |  | 14,000
Affiliated Entity | TMG | 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 | 8.40% |  | 8.40% |  |
Affiliated Entity | Applied Cryo Technologies |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Related party sales | $ 0 | 0 | $ 0 | 0 |
Due from related parties | 0 |  | 0 |  | 2,000
Due to related parties | $ 72,000 |  | $ 72,000 |  | 121,000
Affiliated Entity | TMG |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Equity method investment, ownership percentage | 25.00% |  | 25.00% |  |
Due from related parties | $ 0 |  | $ 0 |  | 0
Due to related parties | 760,000 |  | 760,000 |  | $ 582,000
Purchase of supplies and services | $ 191,000 | $ 162,000 | $ 721,000 | $ 195,000 |

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