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Discontinued Operations - Summary of Assets and Liabilities from Discontinued Operations (Detail) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Accounts receivable $ 802 $ 46
Prepaid expenses and other current assets 415 197
Total current assets 15,282 20,076
Total assets 42,297 43,602
Accounts payable and accrued liabilities 1,104 783
Total liabilities $ 15,409 18,306
Discontinued Operations, Held-for-sale | CES    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Accounts receivable   2,075
Prepaid expenses and other current assets   129
Total current assets   2,204
Fixed assets, net   106
Intangible assets, net   3
Total assets   2,313
Accrued personnel costs   153
Accounts payable and accrued liabilities   1,015
Loans payable   26
Total liabilities   $ 1,194