UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 6,236	$ 628
Adjustments to reconcile net income to net cash provided by operations
Depreciation and amortization	20,156	20,549
Deferred income taxes	3,412	(2,438)
Stock-based compensation	5,108	898
Impairments of long-lived assets	0	2,876
Provision for bad debts	308	79
Amortization of financing fees	109	124
Amortization of debt discount	478	576
Deferred rent	0	(1,120)
Noncash impact of lease accounting under ASC 842	(55)	0
Unrealized translation loss (gain) on investment in foreign subsidiaries	(393)	41
Changes in fair value of derivatives	(2,464)	(1,527)
Excess payment on contingent consideration for acquisition	0	(166)
Gain on disposition of property and equipment	(4)	0
Changes in operating assets and liabilities
Accounts receivable	(20,006)	(10,474)
Insurance receivable	0	750
Prepaid expenses	(869)	(926)
Other assets	(1,736)	(257)
Accounts payable	10,255	5,421
Litigation settlement obligation	0	(750)
Accrued expenses	(12,283)	5,634
Other liabilities	(4,807)	2,065
Net cash provided by operating activities	3,445	21,983
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of property and equipment	(1,495)	(346)
Purchases of intangible assets and capitalized software	(3,742)	(3,839)
Proceeds from disposition of property and equipment	4	0
Net cash used in investing activities	(5,233)	(4,185)
CASH FLOWS FROM FINANCING ACTIVITIES
Issuance of common stock	70	2,227
Payments of IPO issuance costs	(225)	0
Payments of long-term debt	(1,615)	(1,615)
Payment of contingent consideration for acquisition	0	(738)
Payments of finance lease obligations	(1)	(1)
Net cash used in financing activities	(1,771)	(127)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	(92)	151
NET CHANGE IN CASH AND CASH EQUIVALENTS	(3,651)	17,822
Beginning of period	47,998	66,633
Cash and cash equivalents at end of period	44,347	84,455
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Interest, net of capitalized amounts of $65 and $73 for the three months ended March 31, 2021 and 2022, respectively	8,296	3,182
Income taxes	4,222	1,075
Noncash investing activities
Purchases of property and equipment in accounts payable and accrued expenses	$ 245	$ 82