CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current Assets
Cash and cash equivalents	$ 97,471	$ 94,440
Inventories	46,273	54,591
Investments	58,957	55,601
Income taxes, prepaid	5,471	8,727
Prepaid expenses and other current assets	11,412	10,670
Total current assets	219,584	224,029
Property, plant and equipment - net of accumulated depreciation	50,986	51,467
Right-of-use assets	14,536	15,645
Other assets	13,648	14,650
Deferred tax assets	4,005	4,117
TOTAL ASSETS	302,759	309,908
Current Liabilities
Accounts payable and accrued expenses	71,229	86,415
Current lease obligations	5,958	5,885
Total current liabilities	77,187	92,300
Lease obligations, net of current lease obligations	14,611	16,127
Total liabilities	91,798	108,427
Stockholders' Equity
Common stock, par value $0.001 per share: 20,000 shares authorized; 10,937 and 10,896 issued and outstanding at March 31, 2024 and December 31, 2023, respectively	11	11
Additional paid-in capital	27,963	26,573
Accumulated other comprehensive income	22	248
Retained earnings	182,965	174,649
Total stockholders' equity	210,961	201,481
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 302,759	$ 309,908