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Related Party Transactions	3 Months Ended
Related Party Transactions	Mar. 31, 2021
Related Party Transactions [Abstract]
Related Party Transactions	Related Party Transactions Other Purchases and Sales During the three months ended March 31, 2021 and 2020, the Company paid Applied Cryo Technologies, Inc. (“ACT”), a company owned 51% by Crenshaw Family Holdings, LP (“Crenshaw Family Holdings”), $366 thousand and $33 thousand, respectively, for equipment, repairs and services. Casey Crenshaw is the beneficial owner of 25% of Crenshaw Family Holdings and is deemed to jointly control Crenshaw Family Holdings with family members. The Company had no sales to ACT during three months ended March 31, 2021 and 2020. The Company had $2 thousand due from ACT included in accounts receivable on the unaudited condensed consolidated balance sheets at both March 31, 2021 and December 31, 2020. As of March 31, 2021 and December 31, 2020, the Company had $353 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 three months ended March 31, 2021 and 2020, the Company made purchases of supplies and services from a subsidiary of The Modern Group totaling $530 thousand and $33 thousand, respectively. There was no receivable due from The Modern Group as of March 31, 2021 and December 31, 2020. As of March 31, 2021 and December 31, 2020, the Company had $902 thousand and $582 thousand, respectively, due to The Modern Group included in accounts payable on the unaudited condensed consolidated balance sheets. Chart Energy & Chemicals, Inc. (“Chart E&C”) beneficially owns 8.7% of our outstanding common stock and is party to a Secured Term Note Payable with the Company. The Company purchases services from Chart E&C. During the three months ended March 31, 2021 and 2020, purchases from Chart E&C totaled $43 thousand and $10 thousand, respectively. As of March 31, 2021 and December 31, 2020, the Company had $19 thousand and $14 thousand, respectively, due to Chart E&C included in accounts payable on the unaudited condensed consolidated balance sheets.