COMPOSITION OF CERTAIN FINANCIAL STATEMENT ITEMS (Tables)

12 Months Ended

Jun. 30, 2023

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of investments

	Years Ended June 30,
	2023		2022
Current:			(Restated)
Marketable equity securities – short-term	$	1,134	$	755
Long-term:
Warrant		6,160		2,304
Marketable equity securities – long-term		1,361		1,779
Total Investments	$	8,655	$	4,838

Schedule of assumptions used

	June 30, 2023			June 30, 2022
Stock Price (common)	$	3.98		$	3.02
Strike Price (common)	$	.69		$	1.60
Time until expiration (years)		2.48			3.48
Volatility		60.0	%		60.0	%
Risk-free interest rate		4.68	%		3.00	%

Schedule of inventory

	June 30,
	2023		2022
Raw materials /purchased components	$	8,824	$	6,323
Work in process		3,686		3,463
Sub-assemblies /finished components		2,387		2,118
Finished goods		1,270		774
Total inventory	$	16,167	$	12,678

Schedule of land and building

	June 30, 2023			June 30, 2022
Land	$	3,684		$	3,684
Building		2,815			2,815
Total		6,499			6,499
Less: accumulated depreciation		(250	)		(156	)
	$	6,249		$	6,343

Schedule of equipment and improvements

	June 30,
	2023			2022
Office furnishings and fixtures	$	1,957		$	2,224
Machinery and equipment		6,675			6,661
Automobiles		21			21
Improvements		4,737			4,271
Total		13,390			13,177
Less: accumulated depreciation and amortization		(8,311	)		(8,344	)
	$	5,079		$	4,833

Schedule of intangibles

	June 30, 2023			June 30, 2022
Patent-related costs	$	208		$	208
Less accumulated amortization		(127	)		(90	)
	$	81		$	118

Schedule of accrued liabilities

	June 30,
	2023		2022
Payroll and related items	$	650	$	509
Accrued inventory in transit		637		177
Accrued legal and professional fees		216		275
Accrued bonuses		400		430
Current portion of lease liability		416		379
Warranty		200		340
Accrued customer rebate		480		517
Other		136		124
Total accrued expenses	$	3,135	$	2,751