Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Consolidated Statements Of Operations [Abstract]
Net sales revenue, goods	$ 113,487	$ 119,834
Cost of Goods and Services Sold	(91,696)	(93,694)
Gross margin	21,791	26,140
Selling, general and administrative	(20,196)	(18,236)
Gain on sale of facility		1,835
Operating income (loss)	1,595	9,739
Interest and other income	181	141
Income before income taxes	1,776	9,880
Income tax provision	(480)	(3,700)
Net income (loss)	$ 1,296	$ 6,180
WEIGHTED AVERAGE NUMBER OF COMMON SHARES OUTSTANDING:
Basic	7,875	7,830
Diluted	7,921	7,937
EARNINGS (LOSS) PER SHARE OF COMMON STOCK:
Basic	$ 0.16	$ 0.79
Diluted	$ 0.16	$ 0.78