CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME
Net revenue	$ 58,674,000	$ 64,995,000
Cost of sales	37,716,000	41,808,000
Gross profit	20,958,000	23,187,000
Selling, general and administrative expenses	21,869,000	21,705,000
Operating (loss) income	(911,000)	1,482,000
Other expense - net	0	(150,000)
Gain on sale of building	7,817,000	0
Interest expense - net	(198,000)	(223,000)
Income before income taxes	6,708,000	1,109,000
Income tax expense - net	(1,797,000)	(253,000)
Net income	$ 4,911,000	$ 856,000
Basic earnings per share	$ 1.53	$ 0.24
Diluted earnings per share	$ 1.51	$ 0.23
Weighted average common shares outstanding:
Basic	3,207,000	3,628,000
Diluted	3,262,000	3,728,000
Net income	$ 4,911,000	$ 856,000
Other comprehensive income (loss) - foreign currency translation adjustment	52,000	(142,000)
Total comprehensive income	$ 4,963,000	$ 714,000