Consolidated Statements of Operations - USD ($)	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Income Statement [Abstract]
Net revenues	$ 36,015,641	$ 30,754,570
Cost of sales, net of discounts	27,803,920	22,806,878
Selling, general and administrative expenses	5,420,800	5,269,247
Total	33,224,720	28,076,125
Operating income	2,790,921	2,678,445
Other income and expense:
Interest income	2,259	4,303
Earnings before provision for income taxes	2,793,180	2,682,748
Provision for income taxes	1,053,140	1,010,931
Net earnings	$ 1,740,040	$ 1,671,817
Net earnings per share - basic and diluted	$ 0.25	$ 0.24
Weighted average number of basic and diluted common shares outstanding	7,033,732	7,033,732