CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME
Net revenue	$ 14,798,000	$ 16,188,000	$ 29,120,000	$ 31,930,000
Cost of sales	9,290,000	10,317,000	18,331,000	20,630,000
Gross profit	5,508,000	5,871,000	10,789,000	11,300,000
Selling, general and administrative expenses	5,453,000	5,355,000	10,722,000	10,630,000
Operating income	55,000	516,000	67,000	670,000
Gain on sale of property and equipment	7,817,000	0	7,817,000	0
Other expense	0	28,000	0	57,000
Interest expense	68,000	55,000	131,000	92,000
Income	7,804,000	433,000	7,753,000	521,000
Income tax expense	2,116,000	128,000	2,091,000	151,000
Net income	$ 5,688,000	$ 305,000	$ 5,662,000	$ 370,000
Basic earnings per share	$ 1.74	$ 0.08	$ 1.73	$ 0.10
Diluted earnings per share	$ 1.71	$ 0.08	$ 1.70	$ 0.10
Weighted average common shares outstanding:
Basic	3,163,000	3,592,000	3,271,000	3,588,000
Diluted	3,230,000	3,682,000	3,337,000	3,714,000
Net income	$ 5,688,000	$ 305,000	$ 5,662,000	$ 370,000
Other comprehensive loss - foreign currency translation adjustment	(51,000)	(155,000)	(7,000)	(59,000)
Total comprehensive income	$ 5,637,000	$ 150,000	$ 5,655,000	$ 311,000