CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating activities
Net loss	$ (16,849)	$ (23,296)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation, depletion and amortization	8,007	16,941
(Benefit from) provision for doubtful accounts	(247)	166
Provision for inventory obsolescence	704	3,229
Restructuring expenses	327	0
Stock-based compensation expense	1,182	2,908
Non-cash operating lease expense	2,948	2,261
Impairment charges	0	2,756
Change in fair value of contingent consideration	0	(1,560)
Deferred income tax benefit	0	(4,586)
Other	456	92
Changes in assets and liabilities:
Accounts receivable	(5,141)	(6,834)
Inventories	7,321	(143)
Prepaid expenses and other current assets	(699)	(2,315)
Other assets	(188)	(90)
Accounts payable	(346)	10,454
Accrued expenses and other current liabilities	(3,139)	(1,208)
Deferred revenue	(1,116)	(7,159)
Lease liabilities	(2,166)	(1,750)
Other long-term liabilities	(4)	(21)
Net cash used in operating activities	(8,950)	(10,155)
Investing activities
Business combinations, net of cash and cash equivalents	0	190
Capital expenditures of property, plant and equipment	(1,653)	(2,470)
Other	51	(105)
Net cash used in investing activities	(1,602)	(2,385)
Financing activities
Proceeds from Sale-Leaseback Transaction	8,598	0
Borrowings under revolving credit facilities	169	420
Repayments of revolving credit facilities	(116)	(397)
Repayments of Term Loan	(312)	(313)
Payment of withholding tax related to stock awards	(123)	(1,559)
Other	(257)	(104)
Net cash from (used in) financing activities	7,959	(1,953)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	5	43
Net decrease in cash, cash equivalents and restricted cash	(2,588)	(14,450)
Cash, cash equivalents and restricted cash at beginning of period	21,291	28,384
Cash, cash equivalents and restricted cash at end of period	18,703	13,934
Non-cash investing and financing activities
Right-of-use assets (relinquished) acquired under operating lease obligations	(1,103)	10,991
Assets acquired under finance lease obligations	185	0
Supplemental information
Cash paid for interest	3,401	2,081
Cash paid for income taxes	$ 180	$ 2,710