Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Sales, net	$ 13,631	$ 14,088	$ 39,234	$ 36,393
Cost of sales	11,779	11,995	33,957	31,750
Gross profit	1,852	2,093	5,277	4,643
Selling and administrative expenses	892	856	2,636	2,513
Operating income	960	1,237	2,641	2,130
Other income (expense), net
Interest expense	(96)	(196)	(329)	(586)
Change in fair value of derivative liabilities				9
Realized gain on investment	49		49
Unrealized gain on investment	90		35
Other income, net		25	27	32
Other income (expense), net	43	(171)	(218)	(545)
Income before income taxes	1,003	1,066	2,423	1,585
Provision for income taxes	67	143	216	257
Net income	$ 936	$ 923	$ 2,207	$ 1,328
Basic earnings per common share (in dollars per share)	$ 0.03	$ 0.03	$ 0.07	$ 0.05
Diluted earnings per common share (in dollars per share)	$ 0.03	$ 0.03	$ 0.07	$ 0.05
Weighted average common shares outstanding - basic (in shares)	29,565,943	29,565,943	29,565,943	28,719,452
Add: Equivalent shares outstanding (in shares)	1,319,380	542,782	1,113,309	582,525
Weighted average common shares outstanding - diluted (in shares)	30,885,323	30,108,725	30,679,252	29,301,977