Condensed Consolidated Statements of Operations and Comprehensive Earnings (Loss) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Net Revenues	$ 8,510	$ 10,640	$ 17,065	$ 18,089
Costs and Expenses:
Salaries, wages and benefits	2,668	2,481	5,285	5,004
Supplies	39	35	73	65
Other operating expenses	784	720	1,690	1,253
Rent and lease expense	92	92	183	184
Depreciation and amortization	318	288	618	557
Operating Profit (loss)	(433)	2,270	(883)	1,653
Other Income (Expense):
Gains on sale of assets	0	1	2	13
Interest income (expense), net	29	5	51	5
Loss from Discontinued Operations before income taxes	(404)	2,276	(830)	1,671
Income Tax Expense (Benefit)	3	(1)	5	(1)
Loss from Continuing Operations	(407)	2,277	(835)	1,672
Loss from Discontinued Operations, net of tax	(2,668)	(326)	(3,584)	(1,279)
Net Earnings (Loss)	(3,075)	1,951	(4,419)	393
Other comprehensive income	0	0	0	0
Comprehensive Earnings (Loss)	$ (3,075)	$ 1,951	$ (4,419)	$ 393
Continuing Operations:
Basic	$ (0.06)	$ 0.32	$ (0.12)	$ 0.24
Diluted	(0.06)	0.32	(0.12)	0.24
Discontinued Operations:
Basic	(0.38)	(0.05)	(0.51)	(0.18)
Diluted	(0.38)	(0.05)	(0.51)	(0.18)
Net Loss:
Basic	(0.44)	0.28	(0.63)	0.06
Diluted	$ (0.44)	$ 0.28	$ (0.63)	$ 0.06
Weighted-Average Common Shares Outstanding:
Basic	7,040	7,031	7,039	7,007
Diluted	7,040	7,033	7,039	7,010
Product [Member]
Costs and Expenses:
Cost of goods sold	$ 4,761	$ 4,518	$ 9,532	$ 8,887
Service [Member]
Costs and Expenses:
Cost of goods sold	$ 281	$ 236	$ 567	$ 486