Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash flows from operating activities:
Net income (loss)	$ (8,888,000)	$ (8,635,000)	$ 2,378,000
Adjustments to reconcile net (loss) income to net cash provided by (used in) operating activities:
Depreciation and amortization	67,553,000	16,084,000	16,627,000
Asset impairment	17,433,000	0	65,000
Amortization of debt issuance cost	288,000
Amortization of net discount on available-for-sale investments	19,000	108,000
Loss (gain) on investments	9,826,000	(5,127,000)	(5,802,000)
Net loss on disposal of property, plant and equipment	152,000	4,000
Stock-based compensation expense	28,322,000	7,480,000	6,834,000
Deferred income taxes	(62,388,000)	(1,784,000)	(1,356,000)
Inventory reserves	(2,363,000)	(5,029,000)	(5,398,000)
Other, net			216,000
Change in operating assets and liabilities:
Accounts receivable, net	788,000	(60,864,000)	(7,269,000)
Other receivables	(20,088,000)	9,752,000	(4,732,000)
Inventory	(73,237,000)	(10,638,000)	(20,184,000)
Prepaid expenses, other current assets and other assets	(7,116,000)	(7,146,000)	(5,239,000)
Accounts payable	28,105,000	53,270,000	4,543,000
Accrued expenses and other liabilities	(20,483,000)	10,063,000	5,093,000
Income taxes payable	(2,151,000)	5,470,000	(2,294,000)
Net cash (used in) provided by operating activities	(44,228,000)	3,008,000	(16,518,000)
Cash flows from investing activities:
Purchases of property, plant and equipment	(17,072,000)	(5,669,000)	(6,413,000)
Proceeds from sales and maturities of available-for-sale investments	51,661,000	50,466,000	105,100,000
Purchases of available-for-sale investments	(23,899,000)	(35,031,000)	(56,767,000)
Proceeds from beneficial interests in securitized accounts receivable	1,126,000
Proceeds from disposals of property, plant and equipment	12,000		2,000
Insurance proceeds received		500,000
Acquisition of note receivable			(523,000)
Acquisition of business, net of cash acquired	44,003,000
Net cash provided by investing activities	55,831,000	10,266,000	41,399,000
Cash flows from financing activities:
Tax withholdings related to stock-based compensation settlements	(4,253,000)	(1,860,000)	(1,043,000)
Proceeds from stock option exercises	6,904,000	6,431,000
Dividend payments	(22,885,000)	(17,529,000)	(17,334,000)
Proceeds from draw on revolving credit agreements	141,887,000	10,000,000
Repayment of revolving credit agreements	(48,000,000)	(10,000,000)
Payment of debt issuance cost	(3,015,000)
Repayment of bonds payable			(24,600,000)
Repayment of notes payable	(17,702,000)
Net cash provided by (used in) financing activities	52,936,000	(12,958,000)	(42,977,000)
Net increase (decrease) in cash and cash equivalents	64,539,000	316,000	(18,096,000)
Effect of exchange rate changes	(12,713,000)	(3,677,000)	4,502,000
Cash, cash equivalents and restricted cash, beginning of year	56,818,000	60,179,000	73,773,000
Cash, cash equivalents and restricted cash, end of year	108,644,000	56,818,000	60,179,000
Supplemental disclosure of cash financing activities
Cash paid for interest	1,728,000	13,000	24,000
Cash paid for income taxes	3,832,000	1,780,000	7,609,000
Cash used in operating activities related to operating leases	5,229,000	1,892,000	2,632,000
Supplemental disclosure of non-cash investing activities
Right-of-use assets obtained in exchange for operating lease obligations	3,410,000	1,875,000	324,000
Purchases of property, plant and equipment included in accounts payable	1,165,000	$ 638,000	$ 108,000
ADVA common shares exchanged in acquisition	565,491,000
ADVA options assumed in acquisition	12,769,000
Non-controlling interest related to ADVA	$ 316,415,000