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DISCONTINUED OPERATIONS - Schedule of Expenses and Non-Cash Items (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Gain on sale of discontinued operations $ 0 $ (94,293)
Workspace Management Software Solutions | Discontinued Operations, Disposed of by Sale    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Depreciation and amortization   1,060
Provision for doubtful accounts   (87)
Share based compensation   278
Capital expenditures   (417)
Software capitalization   (1,083)
Gain on sale of discontinued operations   $ (94,293)