Note 7 - Segment Information (Tables)

6 Months Ended

Jun. 30, 2017

Notes Tables

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

	North America			International			Total
For the quarter ended June 30 , 20 17
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
For the quarter ended June 30 , 20 16
Net sales	$	18,558,938		$	963,967		$	19,522,905
Gross profit		12,155,311			740,479			12,895,790
Operating income		2,714,312			124,579			2,838,891
Interest (expense)		(42,027	)		-			(42,027	)
Other income (expense), net		8,986			14,448			23,434
Income before income taxes		2,681,271			139,027			2,820,298
Depreciation and amortization		394,943			22,622			417,565
Fixed asset additions		242,235			48,840			291,075
Total assets	$	61,820,547		$	4,797,768		$	66,618,315

	North America			International			Total
For the six months ended June 30 , 20 17
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
For the six months ended June 30 , 20 16
Net sales	$	38,298,429		$	1,896,703		$	40,195,132
Gross profit		24,240,120			1,308,416			25,548,536
Operating income		5,055,521			146,160			5,201,681
Interest (expense)		(65,456	)		-			(65,456	)
Other income (expense), net		14,732			8,663			23,395
Income before income taxes		5,004,797			154,823			5,159,620
Depreciation and amortization		788,535			43,258			831,793
Fixed asset additions		845,099			52,908			898,007
Total assets	$	61,820,547		$	4,797,768		$	66,618,315

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

Three months ended June 30,	20 17		20 16
United States	$	16,546,075	$	16,610,634
Canada		1,646,224		1,746,547
All other countries		1,088,471		1,165,724
	$	19,280,770	$	19,522,905

Six months ended June 30,	2017		20 16
United States	$	33,828,738	$	34,338,263
Canada		3,419,734		3,488,303
All other countries		2,182,143		2,368,566
	$	39,430,615	$	40,195,132