CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($)	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Operating Activities
Net income	$ 8,316,000	$ 39,968,000
Adjustments to reconcile net income to cash provided by operating activities
Depreciation and amortization	3,261,000	2,974,000
Non-cash lease expense	1,108,000	1,369,000
Share-based compensation	2,171,000	606,000
Loss on sale or disposal of property, plant and equipment	13,000	0
Realized gain on sale of investment securities	(9,000)	0
Amortization of premium on investment securities	(191,000)	0
Deferred income taxes	112,000	800,000
Unrealized gain on equity investment securities	(2,437,000)	0
Change in operating assets and liabilities:
Inventories	8,318,000	21,960,000
Prepaid expenses and other current assets	(742,000)	6,563,000
Other assets	24,000	(887,000)
Accounts payable and accrued expenses	(15,918,000)	(21,897,000)
Prepaid income taxes	3,256,000	12,603,000
Net cash flow provided by operating activities	7,282,000	64,059,000
Investing Activities
Purchase of investment securities	(9,169,000)	0
Proceeds from sale and maturities of investment securities	8,235,000	0
Purchase of property and equipment	(1,841,000)	(2,115,000)
Net cash flow used in investing activities	(2,775,000)	(2,115,000)
Financing Activities
Options exercised by directors	36,000	105,000
Net shares repurchased for taxes	(817,000)	(3,236,000)
Cash dividends paid to stockholders	(710,000)	(19,163,000)
Stock repurchases	0	(3,602,000)
Net cash flow used in financing activities	(1,491,000)	(25,896,000)
Foreign currency impact	15,000	9,000
Increase in cash and cash equivalents	3,031,000	36,057,000
Cash and cash equivalents - beginning of the period	94,440,000	87,691,000
Cash and cash equivalents - end of period	97,471,000	123,748,000
Supplemental disclosure of cash flow information:
Income taxes refunded	(100,000)	(46,000)
Dividends included in accounts payable	$ 697,000	$ 18,653,000