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
Sales, net	$ 14,197	$ 12,001	$ 25,603	$ 22,305
Cost of sales	12,171	10,671	22,178	19,756
Gross profit	2,026	1,330	3,425	2,549
Selling and administrative expenses	821	843	1,744	1,657
Operating income	1,205	487	1,681	892
Other income (expense), net
Interest expense	(109)	(190)	(233)	(390)
Change in fair value of derivative liabilities				9
Unrealized loss on investments	(31)		(55)
Other income, net	6	7	27	7
Other income (expense), net	(134)	(183)	(261)	(374)
Income before income taxes	1,071	304	1,420	518
Provision for income taxes	112	58	149	113
Net income	$ 959	$ 246	$ 1,271	$ 405
Basic earnings per common share (in dollars per share)	$ 0.03	$ 0.01	$ 0.04	$ 0.01
Diluted earnings per common share (in dollars per share)	$ 0.03	$ 0.01	$ 0.04	$ 0.01
Weighted average common shares outstanding - basic (in shares)	29,565,943	29,392,030	29,565,943	28,305,408
Add: Equivalent shares outstanding (in shares)	1,025,020	506,327	1,042,300	600,837
Weighted average common shares outstanding - diluted (in shares)	30,590,963	29,898,357	30,608,243	28,906,245