Condensed Consolidated Statements of Operations and Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Net sales:
Net sales	$ 105,863	$ 124,577	$ 341,675	$ 349,309
Cost of sales:
Depreciation and amortization	2,597	2,245	7,584	6,564
Total cost of sales	69,711	76,137	221,604	221,040
Gross profit	36,152	48,440	120,071	128,269
Operating expenses:
Selling, general and administrative (exclusive of depreciation and amortization shown below)	21,783	23,403	64,734	67,335
Depreciation and amortization	1,408	1,592	4,286	4,454
Total operating expenses	23,191	24,995	69,020	71,789
Income from operations	12,961	23,445	51,051	56,480
Other expense, net:
Interest, net	(6,714)	(7,323)	(20,235)	(22,334)
Other expense, net	(53)	(63)	(245)	(474)
Total other expense, net	(6,767)	(7,386)	(20,480)	(22,808)
Income before income taxes	6,194	16,059	30,571	33,672
Income tax expense	(2,337)	(4,149)	(9,318)	(9,609)
Net income	$ 3,857	$ 11,910	$ 21,253	$ 24,063
Basic earnings per share: (in dollars per share)	$ 0.34	$ 1.06	$ 1.86	$ 2.14
Diluted earnings per share: (in dollars per share)	$ 0.33	$ 1.01	$ 1.79	$ 2.05
Basic weighted-average shares outstanding (in shares)	11,432,794	11,265,767	11,418,372	11,259,655
Diluted weighted-average shares outstanding (in shares)	11,827,816	11,788,921	11,861,868	11,730,668
Comprehensive income:
Net income	$ 3,857	$ 11,910	$ 21,253	$ 24,063
Total comprehensive income	3,857	11,910	21,253	24,063
Products
Net sales:
Net sales	55,689	71,606	195,425	208,867
Cost of sales:
Products and Services (exclusive of depreciation and amortization shown below)	37,540	42,702	124,828	128,851
Services
Net sales:
Net sales	50,174	52,971	146,250	140,442
Cost of sales:
Products and Services (exclusive of depreciation and amortization shown below)	$ 29,574	$ 31,190	$ 89,192	$ 85,625