Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash flows from operating activities:
Net loss	$ (34,317)	$ (24,657)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation expense	271	170
Noncash interest expense	507	488
Noncash loss on extinguishment of debt	1,228
Amortization of intangible assets	709	228
Net changes in operating lease ROU assets and liabilities	(26)
Inventory excess and obsolescence charge	1,809	1,334
Stock-based compensation expense	2,950	2,839
Change in operating assets and liabilities:
Accounts receivable, net	(1,531)	(896)
Inventory	(6,540)	(3,701)
Prepaid expenses and other assets	1,322	180
Accounts payable	2,291	1,586
Accrued expenses and other current and long-term liabilities	799	1,561
Foreign currency remeasurement loss	763	24
Net cash used in operating activities	(29,765)	(20,844)
Cash flows from investing activities:
Purchase of property and equipment	(826)	(338)
Net cash used in investing activities	(826)	(338)
Cash flows from financing activities:
Proceeds from sale of common stock, net of underwriting discounts, commissions and offering costs	34,675
Proceeds from issuance of long-term debt	40,000
Repayment of long-term debt	(30,000)
Payment of debt financing costs	(3,460)
Proceeds from exercise of stock options	13	411
Payment of withholding taxes related to stock-based compensation to employees	(157)
Net cash provided by financing activities	41,071	411
Effect of exchange rate on cash and cash equivalents	(185)	13
Net increase (decrease) in cash and cash equivalents	10,295	(20,758)
Cash and cash equivalents, beginning of period	43,931	74,394
Cash and cash equivalents, end of period	54,226	53,636
Supplemental disclosure of cash flow information:
Cash paid during the period for interest	2,370	2,187
Supplemental disclosures of noncash investing and financing activities:
Property and equipment in accounts payable and accrued expenses and other current liabilities	8	97
Offering costs in accounts payable and accrued expenses and other current liabilities	275
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