CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
CASH FLOW FROM OPERATING ACTIVITIES
Net loss	$ (24,283)	$ (13,450)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	4,151	5,161
Amortization of debt issuance costs	712	688
Share-based compensation expense	193	427
Provision for doubtful accounts	328	551
Gain on sale leaseback	(3,004)	0
Loss (gain) on lease settlement	(880)	0
Loss on sale of assets	0	41
Unrealized loss on change in fair value of investments	28	122
Impairment expense	13,793	0
Changes in operating assets and liabilities:
Accounts receivable	1,201	1,847
Inventory	1,944	(900)
Prepaid expenses and other current assets	119	(132)
Other assets	(387)	(621)
Accounts payable and accrued expenses	3,190	(48)
Net cash used in operating activities	(2,895)	(6,314)
CASH FLOW FROM INVESTING ACTIVITIES
Proceeds from asset sales	0	19
Purchases of property and equipment	(58)	(2,920)
Net cash used in investing activities	(58)	(2,901)
CASH FLOW FROM FINANCING ACTIVITIES
Proceeds from sale leaseback	8,991	0
Principal payments on lease obligations	(1,551)	(1,818)
Payments on notes payable	(87)	(120)
Proceeds from convertible notes, net of financing costs	0	6,558
Net cash used in financing activities	7,353	4,620
Change in cash and cash equivalents	4,400	(4,595)
Cash and cash equivalents-beginning of year	1,098	7,887
Cash, cash equivalents -end of period	5,498	3,292
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION
Cash paid during the period for interest	2,780	3,276
Cash paid during the period for income taxes	87	182
OTHER NONCASH INVESTING AND FINANCING ACTIVITIES
Purchase of property and equipment not yet paid for	$ 26	$ 47