CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Cash flows from operating activities
Net loss	$ (9,226)	$ (17,213)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	540	688
Provision for inventory obsolescence	229	158
(Gain) loss on disposal of property and equipment	(2,656)	76
Stock based compensation	4,200	5,056
Provision for allowance for doubtful accounts	176	283
Non-cash interest expense	354	0
Non-cash lease expense	56	0
Changes in operating assets and liabilities:
Trade receivables	(2,192)	3,273
Prepaid expenses and other assets	(698)	(521)
Income tax receivables	7,545	97
Inventories	401	(5,672)
Accounts payable	(613)	(439)
Accrued and other liabilities	(1,153)	(1,536)
Net cash used in operating activities	(3,037)	(15,750)
Cash flows from investing activities
Purchases of property and equipment	(440)	(868)
Proceeds from sale of property and equipment	7,267	0
Net cash provided by (used in) investing activities	6,827	(868)
Cash flows from financing activities
Proceeds from stock option exercises	86	365
Proceeds from term loan	9,289	0
Payment of debt issuance costs	(1,754)	0
Proceeds from issuance of warrants	586	0
Repayment of finance lease liabilities	(32)	(138)
Contributions from non-controlling interest	147	0
Net cash provided by financing activities	8,322	227
Effect of exchange rates on cash	(170)	354
Net change in cash and cash equivalents	11,942	(16,037)
Cash and cash equivalents, beginning of period	10,192	30,870
Cash and cash equivalents, end of period	22,134	14,833
Cash paid for:
Interest	834	12
Income taxes	261	128
Non cash activities:
Right-of-use assets capitalized and operating lease liabilities recognized upon execution of lease	4,917	0
Right-of-use assets capitalized and operating lease liabilities recognized upon lease modification	0	769
Right-of-use assets capitalized and finance lease liabilities recognized upon execution of lease	0	103
Right-of-use assets and finance lease liabilities derecognized upon execution of lease modification	$ 0	$ 28