Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Operating Activities
Net income	$ 17,329	$ 15,497
Adjustments to reconcile net income to net cash provided by operating activities:
Stock-based compensation	264
Equity in loss of unconsolidated affiliate	20	1,166
Depreciation and amortization	1,088	776
Noncash lease expense	445	346
Amortization of land use rights	29	30
Deferred income taxes, net	(410)	(757)
Bad debt expense and other non-cash items	99	(62)
Accrued interest on certificates of deposit	(775)	(455)
Change in fair value of long-term receivable	(178)
Change in fair value of derivative liabilities	178
Change in fair value of warrant liability	(6,973)
Loss on disposal of property and equipment	68
Changes in operating assets and liabilities:
Accounts and note receivables	(3,813)	2,651
Inventories	(2,021)	1,563
Prepaid and other assets	(1,783)	(649)
Income tax payable	(2,231)	3,188
Accounts payable	(55)	(105)
Other noncurrent liabilities	(3)	(779)
Due to related parties	(82)	529
Accrued expenses and other liabilities	(3,500)	(46)
Operating lease liabilities	1,421	(361)
Net cash (used in) provided by operating activities	(883)	22,532
Investing Activities
Acquisition of intangible assets	(3)	(68)
Purchase of certificates of deposit	(14,074)	(14,335)
Purchase of property and equipment	(2,380)	(6,193)
Proceeds from sale of equipment	263	497
Cash paid for equity method investment	(1,686)	(1,000)
Net cash used in investing activities	(17,880)	(21,099)
Financing Activities
Deferred financing costs	(169)
Proceeds from the exercise of stock options	1,307
Net cash provided by financing activities	1,138
Effect of exchange rate changes on cash and cash equivalents	(18)	(529)
Net decrease in cash and cash equivalents	(17,643)	904
Cash and cash equivalents at beginning of the period	33,509	25,175
Cash and cash equivalents at end of the period	15,866	26,079
Supplemental Disclosure of Non-Cash Financing and Investing Activities:
Convertible preferred stock conversion	64,525
Non-cash acquisition of property and equipment through prepaid conversion		371
Supplemental Disclosure of Cash Flow Information:
Cash paid for income taxes	$ 7,757	$ 5,385