Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities:
Net loss	$ (23,603)	$ (16,391)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation expense	161	119
Noncash interest expense	359	318
Noncash loss on extinguishment of debt	1,228
Amortization of intangible assets	614	152
Net changes in operating lease ROU assets and liabilities	(17)
Inventory excess and obsolescence charge	1,193	682
Stockbased compensation expense	1,923	2,106
Change in operating assets and liabilities:
Accounts receivable, net	(1,115)	(862)
Inventory	(3,987)	(1,275)
Prepaid expenses and other assets	920	(154)
Accounts payable	(411)	570
Accrued expenses and other current and long-term liabilities	216	538
Foreign currency remeasurement loss (gain)	403	(17)
Net cash used in operating activities	(22,116)	(14,214)
Cash flows from investing activities:
Purchase of property and equipment	(536)	(47)
Net cash used in investing activities	(536)	(47)
Cash flows from financing activities:
Proceeds from issuance of longterm debt	40,000
Repayment of long-term debt	(30,000)
Payment of financing costs	(3,357)
Proceeds from exercise of stock options	12	152
Payment of withholding taxes related to stock-based compensation to employees	(153)
Net cash provided by financing activities	6,502	152
Effect of exchange rate on cash and cash equivalents	(56)	7
Net decrease in cash and cash equivalents	(16,206)	(14,102)
Cash and cash equivalents, beginning of period	43,931	74,394
Cash and cash equivalents, end of period	27,725	60,292
Supplemental disclosure of cash flow information:
Cash paid during the period for interest	1,486	1,435
Supplemental disclosures of noncash investing and financing activities:
Property and equipment in accounts payable	146	55
Deferred financing costs in accounts payable and accrued expenses and other liabilities	103
Reclassification of liability-classified stock-based compensation awards to equity-classified		$ 82
Intangible asset in accrued expenses and other liabilities	1,000
Operating lease ROU asset exchanged for operating lease liabilities	1,376
Tenant improvement and deferred rent reclassified to operating lease liabilities	380
Operating lease liabilities assumed for operating lease ROU assets	$ 1,756