CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (28,239)	$ (65,904)	$ (71,648)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	8,332	7,113	5,496
Loss on disposal of fixed assets	182	427	221
Interest paid in kind	3,836	2,998	0
Stock-based compensation	6,187	5,215	3,488
Amortization of debt discount	2,594	2,402	1,897
Loss on extinguishment of debt	26,174	6,670	0
Amortization of license revenue	(143)	(143)	(143)
Changes in operating assets and liabilities:
Accounts receivable	(11,916)	13,072	(15,340)
Inventories	(9,626)	(38,556)	(43,188)
Prepaid expenses and other current assets	(239)	(756)	(1,293)
Deposits and other assets	1,080	122	(1,775)
Accounts payable	3,839	800	1,356
Accrued expenses	7,530	7,534	8,341
Other current and non-current liabilities	(791)	(502)	219
Net cash provided by (used in) operating activities	8,800	(59,508)	(112,369)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment	(4,771)	(13,911)	(13,511)
Acquisition of intangible assets	(210)	0	0
Net cash used in investing activities	(4,981)	(13,911)	(13,511)
CASH FLOWS FROM FINANCING ACTIVITIES:
Principal payments on notes payable	(158,584)	(100,000)	0
Proceeds from issuance of common stock, net of offering expenses	0	64,645	121,144
Payment of debt refinancing fees	(11,140)	(2,000)	0
Proceeds from issuance of note payable	135,000	151,750	0
Taxes paid on vested Restricted Stock Units	(1,415)	(2,899)	(62)
Payments on finance lease obligations	(17)	(36)	(34)
Net proceeds from the exercise of stock options	1,104	175	0
Payment of end of term fee	(1,586)	0	0
Payment of deferred financing fees	(2,351)	(2,783)	0
Net cash (used in) provided by financing activities	(38,989)	108,852	121,048
Net (decrease) increase in cash and cash equivalents	(35,170)	35,433	(4,832)
Cash and cash equivalents - beginning of year	86,522	51,089	55,921
Cash and cash equivalents - end of year	$ 51,352	$ 86,522	$ 51,089