Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Income Statement [Abstract]
Revenues	$ 66,657	$ 60,841	$ 122,338	$ 104,216
Cost of sales	52,582	47,164	94,429	80,817
Gross profit	14,075	13,677	27,909	23,399
Selling, general and administrative expenses	13,270	11,575	25,823	19,865
Operating income	805	2,102	2,086	3,534
Interest expense, net	433	374	855	539
Income before provision for income taxes	372	1,728	1,231	2,995
Provision for income taxes	109	463	388	934
Net income	$ 263	$ 1,265	$ 843	$ 2,061
Net earnings per share - basic	$ 0.02	$ 0.10	$ 0.07	$ 0.17
Net earnings per share - diluted	$ 0.02	$ 0.10	$ 0.06	$ 0.16