CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Cash flows from operating activities
Net loss	$ (14,176)	$ (4,551)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	313	354
Provision for inventory obsolescence	60	178
Loss (gain) on disposal of property and equipment	20	(2,692)
Stock based compensation	2,178	2,849
Allowance for credit losses	45	55
Non-cash lease expense	62	22
Non-cash interest expense	443	209
Changes in operating assets and liabilities:
Trade receivables	1,187	(1,441)
Prepaid expenses and other assets	666	(57)
Income tax receivables	0	(207)
Inventories	547	534
Accounts payable	(345)	(26)
Accrued and other liabilities	(1,670)	(1,960)
Net cash used in operating activities	(10,670)	(6,733)
Cash flows from investing activities
Purchases of property and equipment	(324)	(266)
Proceeds from sale of property and equipment	0	7,267
Net cash (used in) provided by investing activities	(324)	7,001
Cash flows from financing activities
Proceeds from stock option exercises	0	56
Proceeds from long-term debt	0	9,289
Payment of debt issuance costs	0	(1,754)
Proceeds received from issuance of warrants	0	586
Repayment of finance lease liabilities	(10)	(19)
Net cash (used in) provided by financing activities	(10)	8,158
Effect of exchange rates on cash	30	(139)
Net change in cash and cash equivalents	(10,974)	8,287
Cash and cash equivalents, beginning of period	43,652	10,192
Cash and cash equivalents, end of period	32,678	18,479
Cash paid for:
Interest	2,371	431
Income taxes	180	227
Non cash activities:
Right-of-use assets capitalized and operating lease liabilities recognized upon execution of lease	$ 0	$ 4,917