Condensed Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 6,145	$ 28,484
Short-term investments, held -to-maturity	25,546	0
Accounts receivable, net of allowance for credit losses of $74 thousand and $20 thousand as of September 30, 2024 and December 31, 2023, respectively	4,605	3,948
Inventories, net	7,674	11,594
Prepaid expenses and other current assets	1,960	1,634
Total current assets	45,930	45,660
Property, plant and equipment, net	46,715	50,364
Operating right-of-use lease assets	16,558	16,472
Intangible assets, net	13,378	14,239
Other non-current assets	1,518	1,852
Total assets	124,099	128,587
Current liabilities:
Accounts payable	975	1,493
Accrued liabilities	4,373	5,579
Current portion of operating lease liabilities	1,843	1,803
Current portion of long-term debt	2,528	0
Total current liabilities	9,719	8,875
Deferred tax liabilities	867	919
Other accrued liabilities	30	102
Long-term debt, net	10,857	13,251
Long-term operating lease liabilities	15,358	15,404
Total liabilities	36,831	38,551
Stockholders’ equity:
Preferred stock, $0.00001 par value, 10,000,000 shares authorized at September 30, 2024 and December 31, 2023, respectively, zero shares issued and outstanding at September 30, 2024 and December 31, 2023	0	0
Common stock, $0.00001 par value, 490,000,000 shares authorized at September 30, 2024 and December 31, 2023, 53,302,993 and 40,793,848 shares issued and outstanding at September 30, 2024 and December 31, 2023, respectively	1	0
Additional paid-in capital	200,079	181,822
Accumulated deficit	(112,812)	(91,786)
Total stockholders’ equity	87,268	90,036
Total liabilities and stockholders' equity	$ 124,099	$ 128,587