Condensed Consolidated Statements of Operations and Comprehensive Earnings (Loss) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Net revenues	$ 12,667	$ 12,361	$ 37,124	$ 34,719
Costs and Expenses
Salaries, wages and benefits	4,893	4,931	14,651	14,225
Supplies	317	329	970	942
Other operating expenses	806	865	2,903	2,858
Rent and lease expense	157	155	463	458
Depreciation and amortization	371	367	1,056	1,056
Operating Profit (Loss)	(38)	(488)	23	(1,348)
Other Income (Expense):
Gains on sale of assets	0	0	193	454
Loss on extinguishment of debt	(18)	0	(178)	0
Interest income (expense), net	10	(63)	(24)	(185)
Earnings (Loss) from Continuing Operations before income taxes	(46)	(551)	14	(1,079)
Income Tax Benefit	0	(226)	0	(226)
Earnings (Loss) from Continuing Operations	(46)	(325)	14	(853)
Income (Loss) from Discontinued Operations, net of tax	(112)	1,367	(475)	1,320
Net Income (Loss)	(158)	1,042	(461)	467
Other comprehensive income	0	0	0	0
Comprehensive Earnings (Loss)	$ (158)	$ 1,042	$ (461)	$ 467
Continuing Operations:
Basic	$ (0.01)	$ (0.05)	$ 0.00	$ (0.12)
Diluted	(0.01)	(0.05)	0.00	(0.12)
Discontinued Operations:
Basic	(0.02)	0.20	(0.07)	0.18
Diluted	(0.02)	0.20	(0.07)	0.18
Net Earnings (Loss):
Basic	(0.02)	0.15	(0.07)	0.06
Diluted	$ (0.02)	$ 0.15	$ (0.07)	$ 0.06
Weighted-Average Common Shares Outstanding:
Basic	6,956	6,987	6,976	7,203
Diluted	6,956	6,987	6,995	7,203
Product [Member]
Costs and Expenses
Cost of goods sold	$ 5,370	$ 5,539	$ 14,811	$ 14,711
Service [Member]
Costs and Expenses
Cost of goods sold	$ 791	$ 663	$ 2,247	$ 1,817