Quarterly Financial Information (Unaudited) (Tables)

12 Months Ended

Jun. 30, 2017

Quarterly Financial Information Disclosure [Abstract]

Schedule of quarterly financial information

	First		Second		Third		Fourth
2017	Quarter		Quarter		Quarter		Quarter
Net sales	$	6,068,684	$	5,667,624	$	5,324,104	$	5,460,600
Gross profit		1,343,748		1,080,145		1,128,505		1,162,170
Net income		420,825		244,079		279,173		191,659
Net income per share -
Basic		0.18		0.11		0.12		0.08
Diluted		0.18		0.11		0.12		0.08
2016
Net sales	$	6,279,436	$	7,242,020	$	7,217,922	$	6,731,987
Gross profit		1,968,320		1,588,043		2,148,223		1,667,096
Net income		878,530		614,427		972,468		710,376
Net income per share -
Basic		0.38		0.27		0.43		0.31
Diluted		0.38		0.27		0.43		0.30