Condensed Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Operating activities:
Net loss	$ (11,700)	$ (2,905)
Adjustments to reconcile net loss to net cash used in operating activities:
Bad debt expense	32	231
Inventory reserve	(8)	699
Depreciation and amortization	1,543	1,352
Stock-based compensation	1,721	485
Deferred taxes	(751)	(747)
Amortization of debt financing costs	99	46
Non-cash lease expense	181	49
Other	0	(6)
Changes in operating assets and liabilities:
Accounts receivable	(1,176)	334
Inventories	(2,507)	(997)
Income taxes receivable	1,071	(221)
Prepaid expenses and other current assets	737	418
Accounts payable	(278)	(33)
Accrued liabilities	626	205
Other	(629)	(60)
Cash used in operating activities	(11,039)	(1,150)
Investing activities:
Purchase of property, plant and equipment	(16,837)	(8,558)
Proceeds from loan to related party	0	529
Proceeds on sales of short-term marketable securities	0	1,132
Proceeds from maturities of short-term marketable securities	0	695
Cash used in investing activities	(16,837)	(6,202)
Financing activities:
Proceeds from long-term debt, net	5,135	11,889
Payment of debt issuance costs	(151)	(153)
Payment of exit fee costs	(135)	0
Payment of costs related to initial public offering	0	(2,349)
Proceeds from initial public offering, net of underwriters’ commissions and discounts	0	102,672
Proceeds from exercise of stock options	99	0
Proceeds from issuance of common stock under employee stock purchase plan	144
Cash provided by financing activities	5,092	112,059
Change in cash and cash equivalents	(22,784)	104,707
Cash and cash equivalents at beginning of period	87,518	3,315
Cash and cash equivalents at end of period	64,734	108,022
Supplemental cash flow disclosures:
Income taxes paid	0	0
Interest paid	0	194
Capitalized property, plant and equipment included in accounts payable and accrued liabilities	3,668	929
Conversion of convertible and redeemable preferred stock		35,938
Accretion of convertible and redeemable preferred stock to redemption value		300
Recognition of operating right-of-use lease asset	20,318	0
Recognition of operating lease liabilities	20,587	0
Deferred offering costs included in accounts payable and accrued liabilities		$ 1,266