Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Net sales	$ 400,072	$ 353,792	$ 206,320
Cost of sales	287,847	263,532	155,206
Gross profit	112,225	90,260	51,114
Selling, general, and administrative expenses	50,889	45,796	29,480
Acquisition costs	0	1,027	430
Change in fair value of contingent consideration	(3,527)	(9,837)	0
Gain on sale of Molded Fiber business	0	(15,651)	0
Loss (gain) on disposal of property, plant and equipment	145	(6,149)	(14)
Operating income	57,664	55,400	21,218
Interest expense, net	3,645	2,763	39
Other (income) expense	117	(81)	(26)
Income before income tax provision	53,902	52,718	21,205
Income tax expense	8,978	10,929	5,319
Net income	44,924	41,789	15,886
Foreign currency translation adjustment	878	(610)	0
Other comprehensive loss	878	(610)	0
Comprehensive income	$ 45,802	$ 41,179	$ 15,886
Basic (in dollars per share)	$ 5.89	$ 5.52	$ 2.11
Diluted (in dollars per share)	$ 5.83	$ 5.45	$ 2.09
Weighted average common shares outstanding:
Basic (in shares)	7,624	7,564	7,524
Diluted (in shares)	7,701	7,663	7,615
Comprehensive Income
Net Income	$ 44,924	$ 41,789	$ 15,886
Other comprehensive income (loss):
Net Income	$ 44,924	$ 41,789	$ 15,886