Consolidated Statements of Operations and Comprehensive Earnings and Loss - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Net Revenues	$ 40,685	$ 47,813
Costs and expenses:
Salaries, wages and benefits	13,797	19,563
Supplies	989	1,215
Other operating expenses	4,029	3,366
Rent and lease expense	553	601
Depreciation and amortization	1,361	1,450
Operating profit (loss)	1,871	(329)
Other income (expense):
Federal stimulus - Pandemic relief funds	4,880	54
Forgiveness of PPP loans and accrued interest	264	0
Interest income (expense), net	(28)	(29)
Loss on extinguishment of debt—net	0	(178)
Gain on sale of assets—net	13	192
Earnings (loss) from continuing operations before income taxes	7,000	(290)
Income tax expense (benefit)	63	296
Earnings (Loss) from continuing operations	6,937	(586)
Loss from discontinued operations, net of income taxes	(47)	(554)
Net earnings (loss)	6,890	(1,140)
Other comprehensive income (loss)	177	(86)
Comprehensive earnings (loss)	$ 7,067	$ (1,226)
Continuing operations:
Basic	$ 1.00	$ (0.08)
Diluted	0.99	(0.08)
Discontinued operations:
Basic	(0.01)	(0.08)
Diluted	(0.01)	(0.08)
Net earnings (loss):
Basic	1.00	(0.16)
Diluted	$ 0.99	$ (0.16)
Weighted-average common shares outstanding:
Basic	6,907	6,957
Diluted	6,989	6,957
Product [Member]
Costs and expenses:
Cost of goods sold	$ 15,614	$ 19,023
Service [Member]
Costs and expenses:
Cost of goods sold	$ 2,471	$ 2,924