Related Party Transactions	9 Months Ended
Related Party Transactions	Sep. 30, 2021
Related Party Transactions [Abstract]
Related Party Transactions	Related Party Transactions Other Purchases and Sales During the nine months ended September 30, 2021 and 2020, the Company paid Applied Cryo Technologies, Inc. (“ACT”), a company owned 51% by Crenshaw Family Holdings, LP (“Crenshaw Family Holdings”), $530 thousand and $109 thousand, respectively, for equipment, repairs and services. Casey Crenshaw, the Company's controlling shareholder, is the beneficial owner of 25% of Crenshaw Family Holdings and is deemed to jointly control Crenshaw Family Holdings with family members. During the three months ended September 30, 2021 and 2020, the Company paid ACT $32 thousand and $36 thousand, respectively, for equipment repairs and services. The Company had $30 thousand of sales to ACT during the three and nine months ended September 30, 2021. The Company had no sales to ACT during the three and nine months ended September 30, 2020. The Company had $30 thousand and $2 thousand due from ACT included in accounts receivable on the unaudited condensed consolidated balance sheets at September 30, 2021 and December 31, 2020, respectively. As of September 30, 2021 and December 31, 2020, the Company had $15 thousand and $121 thousand, respectively, due to ACT included in accounts payable on the unaudited condensed consolidated balance sheets. The Company purchases supplies and services from a subsidiary of The Modern Group. Casey Crenshaw is the beneficial owner of 25% of The Modern Group and is deemed to jointly control The Modern Group with family members. During the nine months ended September 30, 2021 and 2020, the Company made purchases of supplies and services from a subsidiary of The Modern Group totaling $848 thousand and $213 thousand, respectively. During the three months ended September 30, 2021 and 2020, the Company made purchases of supplies and services totaling $127 thousand and $18 thousand, respectively. The Company had $13 thousand of sales to The Modern Group during the three and nine months ended September 30, 2021 with no sales during the same period of 2020. The Company had an $11 thousand receivable due from The Modern Group at September 30, 2021. There was no receivable due from The Modern Group at December 31, 2020. As of September 30, 2021 and December 31, 2020, the Company had $548 thousand and $582 thousand, respectively, due to a subsidiary of The Modern Group included in accounts payable on the unaudited condensed consolidated balance sheets. Chart E&C beneficially owns 8.3% of our outstanding common stock and was party to a Secured Term Note Payable with the Company prior to its repayment by the Company during the three and nine months ended September 30, 2021. The Company purchases services from Chart E&C. During the nine months ended September 30, 2021 and 2020, purchases from Chart E&C totaled $137 thousand and $22 thousand, respectively. During the three months ended September 30, 2021 and 2020, purchases from Chart E&C totaled $59 thousand and $2 thousand. As of September 30, 2021 and December 31, 2020, the Company had $58 thousand and $14 thousand, respectively, due to Chart E&C included in accounts payable on the unaudited condensed consolidated balance sheets. Secured Promissory Note - Related Party On September 20, 2021, the Company amended its secured promissory note with M/G Finance Co., Ltd, a related party, to defer scheduled debt and interest payments for September through December 2021. See additional discussion in Note 9 - Debt.