Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Cash flows from operating activities:
Net loss	$ (22,369)	$ (36,345)
Loss from discontinued operations, net of income taxes	0	(114)
Loss from continuing operations, net of income taxes	(22,369)	(36,231)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation and amortization	3,677	3,402
Provision for doubtful accounts	534	505
Provision for warranties	894	525
Provision for inventory	7	404
Fair value adjustments of other liabilities held at fair value	279	(88)
Amortization of debt discount and issuance costs	2,506	1,927
Employee stock-based compensation expense	3,060	4,258
Other non-cash adjustments	0	70
Changes in operating assets and liabilities:
Accounts receivable	4,539	(3,698)
Inventories	3,277	(291)
Prepaid expenses, other current assets and other assets	50	916
Accounts payable, accrued, and other liabilities	(8,787)	(4,691)
Customer deposits	8,557	3,052
Sales return liability	(3,017)	(905)
Net cash flow used in operating activities - continuing operations	(6,793)	(30,845)
Net cash flow used in operating activities - discontinued operations	0	(114)
Net cash used in operating activities	(6,793)	(30,959)
Cash flows from investing activities:
Purchases of property and equipment	(786)	(813)
Net cash flow used in investing activities - continuing operations	(786)	(813)
Net cash used in investing activities	(786)	(813)
Cash flows from financing activities:
Proceeds from issuance of common stock for employee stock-based plans	253	329
Tax payments related to shares withheld for vested RSUs	(47)	(430)
Gross borrowings under the Term Loan	0	5,000
Gross borrowings under the Revolving Loan	0	5,440
Repayments of the Revolving Loan	0	(5,277)
Deferred financing costs	(61)	(73)
Net cash provided by financing activities - continuing operations	145	4,989
Net cash provided by financing activities	145	4,989
Net decrease in cash, cash equivalents and restricted cash	(7,434)	(26,783)
Cash, cash equivalents and restricted cash at:
Beginning of period	26,677	52,068
End of period	19,243	25,285
Reconciliation of cash, cash equivalents, and restricted cash to the condensed consolidated balance sheets
Cash and cash equivalents	18,637	24,990
Restricted cash included in other assets	606	295
End of period	19,243	25,285
Supplemental disclosure of cash flow information:
Interest paid	2,087	2,190
Supplemental disclosure of non-cash investing and financing activities:
Property and equipment in accounts payable and accrued liabilities	117	95
Asset acquisition, deferred and contingent consideration obligations at fair value	3	0
Deferred financing costs in accounts payable and accrued liabilities	0	250
Derivative liability reclassified to equity	$ 880	$ 0