Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Revenue	$ 30,272	$ 30,941	$ 94,087	$ 95,418
Cost of revenue	16,260	16,494	53,202	50,889
Gross profit	14,012	14,447	40,885	44,529
Operating expenses:
Selling expense	4,281	4,295	12,976	13,411
Engineering and product development expense	2,182	1,802	6,382	5,689
General and administrative expense	7,062	5,882	20,212	16,099
Total operating expenses	13,525	11,979	39,570	35,199
Operating income	487	2,468	1,315	9,330
Interest expense	(219)	(168)	(612)	(526)
Other income	301	423	949	678
Earnings before income tax expense	569	2,723	1,652	9,482
Income tax expense	74	446	265	1,595
Net earnings	$ 495	$ 2,277	$ 1,387	$ 7,887
Earnings per common share - basic (in dollars per share)	$ 0.04	$ 0.19	$ 0.11	$ 0.7
Weighted average common shares outstanding - basic (in shares)	12,189,761	11,886,005	12,150,240	11,294,306
Earnings per common share - diluted (in dollars per share)	$ 0.04	$ 0.19	$ 0.11	$ 0.68
Weighted average common shares and common share equivalents outstanding - diluted (in shares)	12,251,712	12,212,317	12,246,763	11,665,850