Condensed Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 30,215	$ 42,236
Accounts receivable, net of allowance for doubtful accounts of $57 thousand and $23 thousand	4,777	4,261
Inventories, net	12,151	12,247
Income taxes receivable	22	22
Prepaid expenses and other current assets	2,466	2,374
Total current assets	49,631	61,140
Property, plant and equipment, net	53,733	51,577
Operating right-of-use lease assets	18,237	19,736
Intangible assets, net	17,270	17,556
Other non-current assets	2,150	2,252
Total assets	141,021	152,261
Current liabilities:
Accounts payable	1,885	2,449
Accrued liabilities	4,758	6,203
Current portion of operating lease liabilities	2,011	2,223
Total current liabilities	8,654	10,875
Deferred tax liabilities	1,204	1,223
Other accrued liabilities	169	191
Long term debt, net	22,036	21,976
Long-term operating lease liabilities	16,871	18,111
Total liabilities	48,934	52,376
Stockholders’ equity:
Preferred stock, $0.00001 par value, 10,000,000 shares authorized at September 30, 2022 and December 31, 2021, respectively, zero shares issued and outstanding at September 30, 2022 and December 31, 2021	0	0
Common stock, $0.00001 par value, 490,000,000 shares authorized at September 30, 2022 and December 31, 2021, 28,130,484 and 28,012,017 shares issued and outstanding at September 30, 2022 and December 31, 2021, respectively	0	0
Additional paid-in capital	155,910	154,891
Accumulated deficit	(63,823)	(55,006)
Total stockholders’ equity	92,087	99,885
Total liabilities and stockholders' equity	$ 141,021	$ 152,261