Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Sales, net	$ 12,751	$ 15,172
Cost of sales	11,327	12,799
Gross profit	1,424	2,373
Selling and administrative expenses	839	864
Operating income	585	1,509
Other income (expense), net:
Interest expense	(32)	(76)
Realized gain on sale of investment in iBio Stock	0	56
Unrealized loss on investment in iBio Stock	(20)	(29)
Other income, net	6	8
Total other expense, net	(46)	(41)
Income before income taxes	539	1,468
Income tax expense, net	23	427
Net income	$ 516	$ 1,041
Basic net income per common share (in dollars per share)	$ 0.02	$ 0.04
Diluted net income per common share (in dollars per share)	$ 0.02	$ 0.03
Weighted average common shares outstanding - basic (in shares)	29,817,919	29,645,943
Add: Equivalent shares outstanding - Stock Options (in shares)	2,781,977	2,147,133
Weighted average common shares outstanding - diluted (in shares)	32,599,896	31,793,076