Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Revenue	$ 33,991	$ 32,558	$ 63,815	$ 64,477
Cost of revenue	20,194	17,528	36,942	34,395
Gross profit	13,797	15,030	26,873	30,082
Operating expenses:
Selling expense	4,105	4,661	8,695	9,116
Engineering and product development expense	2,218	1,983	4,200	3,887
General and administrative expense	7,138	5,042	13,150	10,217
Total operating expenses	13,461	11,686	26,045	23,220
Operating income	336	3,344	828	6,862
Interest expense	(253)	(176)	(393)	(358)
Other income	213	197	648	255
Earnings before income tax expense	296	3,365	1,083	6,759
Income tax expense	66	572	191	1,149
Net earnings	$ 230	$ 2,793	$ 892	$ 5,610
Earnings per common share - basic (in dollars per share)	$ 0.02	$ 0.25	$ 0.07	$ 0.51
Weighted average common shares outstanding - basic (in shares)	12,234,599	11,241,183	12,130,480	10,998,456
Earnings per common share - diluted (in dollars per share)	$ 0.02	$ 0.24	$ 0.07	$ 0.49
Weighted average common shares and common share equivalents outstanding - diluted (in shares)	12,330,280	11,696,569	12,244,289	11,392,617