Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Net revenues	$ 60,660	$ 78,563
Cost of revenues	31,435	39,162
Gross margin	29,225	39,401
Operating expenses:
Selling expense	8,460	9,611
Engineering and product development expense	4,964	4,908
General and administrative expense	13,252	12,801
Adjustment to contingent consideration liability		6,901
Total operating expenses	26,676	34,221
Operating income	2,549	5,180
Other income (loss)	55	(137)
Earnings before income tax expense	2,604	5,043
Income tax expense	282	2,006
Net earnings	$ 2,322	$ 3,037
Net earnings per common share – basic (in dollars per share)	$ 0.22	$ 0.29
Weighted average common shares outstanding – basic (in shares)	10,373,164	10,347,947
Net earnings per common share – diluted (in dollars per share)	$ 0.22	$ 0.29
Weighted average common shares and common share equivalents outstanding – diluted (in shares)	10,391,975	10,382,194