Accounts Payable, Accrued Expenses and Other Current Liabilities (Tables)

12 Months Ended

Dec. 31, 2020

Payables And Accruals [Abstract]

Schedule of Accounts Payable, Accrued Expenses and Other Current Liabilities

Accounts payable, accrued expenses and other current liabilities are comprised of the following items:

	December 31,
	2020		2019
Other accrued expenses and current liabilities	$	24,181	$	17,032
Accrued payroll and employment related withholding taxes		9,282		24,765
Accrued interest on convertible notes		3,473		5,938
ABG finance liability - current		1,500		1,500
Accrued legal and professional fees		1,091		1,174
Accrued interest on Senior Facility		419		—
Contingent consideration for acquisitions		—		420
Total accrued expenses and other current liabilities	$	39,946	$	50,829

Schedule of Reconciliation of Severance Costs Within Accrued Payroll Related to Scheduled Benefit Payments

The following table shows the reconciliation of the severance costs included within the accrued payroll and employment related withholding taxes balance above, relating to scheduled benefit payments which were communicated to employees prior to December 31, 2020:

Opening Balance as of January 1, 2020	$	—
Additional charges		4,864
Less payments made to employees		4,219
Closing Balance as of December 31, 2020	$	645