UNAUDITED CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities:
Net loss	$ (21,538)	$ (9,096)
Adjustments to reconcile net loss to net cash provided in operating activities:
Depreciation and amortization	22,892	22,600
Stock-based compensation	2,242	1,082
Amortization of deferred financing costs	1,037	1,266
Deferred income taxes	(3,712)	2,042
Provision for bad debts	133	190
(Gain) loss on sales of property and equipment	(5)	56
Changes in operating assets and liabilities:
Accounts receivable	18,973	27,078
Inventories	(8,310)	(506)
Prepaid expenses and other current assets	(5,000)	(3,804)
Accounts payable	425	(6,243)
Accrued expenses and other liabilities	(2,662)	(3,848)
Income taxes payable	(177)	240
Other assets and liabilities	23	(181)
Net cash provided by operating activities	4,321	30,876
Cash flows from investing activities:
Capital expenditures	(1,672)	(1,304)
Net cash used in investing activities	(1,672)	(1,304)
Cash flows from financing activities:
Repayment of long-term debt	(1,631)	(10,729)
Payment of preferred dividends	(7,289)	(6,065)
Payment for redemption of convertible preferred stock	0	(5,330)
Proceeds from issuance of stock under employee stock purchase plan	146	163
Net cash used in financing activities	(8,774)	(21,961)
Effect of exchange rate changes on cash and cash equivalents	(4,259)	(947)
Net (decrease) increase in cash and cash equivalents	(10,384)	6,664
Cash and cash equivalents, beginning of period	61,930	50,030
Cash and cash equivalents, end of period	51,546	56,694
Cash paid for:
Cash paid for interest	9,628	9,899
Cash paid for income taxes	2,882	2,196
Supplemental schedule of non-cash investing and financing activities:
Accrued purchases of property and equipment	$ 364	$ 105