Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Operating Activities
Net income	$ 14,473	$ 7,987
Adjustments to reconcile net income to net cash provided by operating activities:
Stock-based compensation	27
Equity in loss of unconsolidated affiliate		446
Depreciation and amortization	643	584
Noncash lease expense	300	198
Amortization of land use rights	20	20
Deferred income taxes, net	(410)	(558)
Bad debt expense and other non-cash items	99	(53)
Accrued interest on certificates of deposit	(486)	(285)
Change in fair value of long-term receivable	(117)
Change in fair value of derivative liabilities	117
Change in fair value of warrant liability	(7,201)
Loss on disposal of property and equipment	68
Changes in operating assets and liabilities:
Accounts and note receivables	(3,277)	3,461
Inventories	(1,385)	642
Prepaid and other assets	(2,181)	(655)
Income tax payable	(2,766)	693
Accounts payable	(83)	39
Other noncurrent liabilities	19	(823)
Due to related parties	114	526
Accrued expenses and other liabilities	(2,171)	2,956
Operating lease liabilities	1,588	(228)
Net cash (used in) provided by operating activities	(2,609)	14,950
Investing Activities
Acquisition of intangible assets		(66)
Purchase of certificates of deposit	(14,074)	(11,548)
Purchase of property and equipment	(1,687)	(4,219)
Proceeds from sale of equipment	268	134
Net cash used in investing activities	(15,493)	(15,699)
Financing Activities
Deferred financing costs	(119)
Proceeds from the exercise of stock options	933
Net cash provided by financing activities	814
Effect of exchange rate changes on cash and cash equivalents	(124)	(700)
Net decrease in cash and cash equivalents	(17,412)	(1,449)
Cash and cash equivalents at beginning of the period	33,509	25,175
Cash and cash equivalents at end of the period	16,097	23,726
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		455
Supplemental Disclosure of Cash Flow Information:
Cash paid for income taxes	$ 7,220	$ 4,003