Note 7 - Segment Information (Tables)

6 Months Ended

Jun. 30, 2018

Notes Tables

Schedule of Segment Reporting Information, by Segment [Table Text Block]

	North America			International			Total
For the quarter ended June 30 , 20 1 8
Net sales	$	18,276,885		$	900,882		$	19,177,767
Gross profit		12,519,089			599,353			13,118,442
Operating income (loss)		1,986,190			(4,709	)		1,981,481
Interest (expense)		(78,182	)		-			(78,182	)
Other income (expense), net		38,343			8,398			46,741
Income (loss) before income taxes		1,946,351			3,689			1,950,040
Depreciation and amortization		387,700			25,733			413,433
Fixed asset additions		105,422			76,419			181,841
Total assets	$	71,184,080		$	4,601,143		$	75,785,223
For the quarter ended June 30 , 20 1 7
Net sales	$	18,427,425		$	853,345		$	19,280,770
Gross profit		12,449,202			446,332			12,895,534
Operating income (loss)		1,814,887			(159,450	)		1,655,437
Interest (expense)		(53,680	)		-			(53,680	)
Other income (expense), net		15,195			1,817			17,012
Income (loss) before income taxes		1,776,402			(157,633	)		1,618,769
Depreciation and amortization		448,788			22,502			471,290
Fixed asset additions		387,054			18,095			405,149
Total assets	$	67,412,189		$	4,831,270		$	72,243,459

	North America			International			Total
For the six months ended June 30 , 20 1 8
Net sales	$	37,594,145		$	1,872,540		$	39,466,685
Gross profit		24,745,091			1,216,313			25,961,404
Operating income (loss)		3,816,849			(66,407	)		3,750,442
Interest (expense)		(142,824	)		-			(142,824	)
Other income (expense), net		73,527			12,086			85,613
Income (loss) before income taxes		3,747,552			(54,321	)		3,693,231
Depreciation and amortization		829,252			49,703			878,955
Fixed asset additions		343,080			78,781			421,861
Total assets	$	71,184,080		$	4,601,143		$	75,785,223
For the six months ended June 30 , 20 1 7
Net sales	$	37,659,139		$	1,771,476		$	39,430,615
Gross profit		24,202,159			979,420			25,181,579
Operating income (loss)		3,626,450			(233,522	)		3,392,928
Interest (expense)		(90,024	)		-			(90,024	)
Other income (expense), net		32,849			(13,186	)		19,663
Income (loss) before income taxes		3,569,275			(246,708	)		3,322,567
Depreciation and amortization		885,069			44,339			929,408
Fixed asset additions		984,880			20,026			1,004,906
Total assets	$	67,412,189		$	4,831,270		$	72,243,459

Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]

Three months ended June 30,	20 18		20 17
United States	$	16,361,760	$	16,546,075
Canada		1,619,430		1,646,224
All other countries		1,196,577		1,088,471
	$	19,177,767	$	19,280,770

Six months ended June 30,	201 8		2017
United States	$	33,709,933	$	33,828,738
Canada		3,362,604		3,419,734
All other countries		2,394,148		2,182,143
	$	39,466,685	$	39,430,615