CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 133,173	$ 84,149
Investment securities, available-for-sale	19,533	32,667
Accounts receivable, net of allowance for credit losses of $514 and $550 as of June 30, 2024 and December 31, 2023, respectively	42,863	39,699
Inventories	31,448	32,895
Prepaid expenses and other current assets, net of allowance for credit losses of $117 and $227 as of June 30, 2024 and December 31, 2023, respectively	4,530	6,114
Income taxes receivable	2,663	0
Total current assets	234,210	195,524
Property, plant and equipment, net	68,327	66,839
Operating lease right-of-use assets	12,478	8,911
Goodwill and other assets	5,474	3,904
Total assets	320,489	275,178
Current liabilities:
Accounts payable	33,358	33,485
Accrued liabilities	25,928	24,218
Operating lease liabilities, current	4,085	3,057
Finance lease liabilities, current	3,620	3,255
Income taxes payable	0	1,206
Total current liabilities	66,991	65,221
Operating lease liabilities, non-current	4,387	5,771
Finance lease liabilities, non-current	9,593	10,481
Other liabilities	1,097	1,028
Total liabilities	82,068	82,501
Commitments and contingencies (Note 20)
Stockholders’ equity:
Preferred stock, $0.0001 par value per share, 10,000,000 shares authorized as of June 30, 2024 and December 31, 2023; no shares issued and outstanding as of June 30, 2024 and December 31, 2023	0	0
Common stock, $0.0001 par value per share, 310,000,000 shares authorized as of June 30, 2024 and December 31, 2023; 42,971,988 and 41,684,649 shares issued and outstanding as of June 30, 2024 and December 31, 2023, respectively	4	4
Additional paid-in capital	173,498	163,325
Retained earnings	65,087	29,725
Accumulated other comprehensive loss	(168)	(377)
Total stockholders’ equity	238,421	192,677
Total liabilities and stockholders' equity	$ 320,489	$ 275,178