COMPOSITION OF CERTAIN FINANCIAL STATEMENT ITEMS (Tables)

12 Months Ended

Jun. 30, 2024

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of investments

	Years Ended June 30,
	2024		2023
Current:
Marketable equity securities – short-term	$	4,217	$	1,134
Long-term:
Monogram Warrant		—		6,160
Marketable equity securities – long-term		1,563		1,361
Total Investments	$	5,780	$	8,655

Schedule of assumptions used

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

Schedule of inventory

	June 30,
	2024		2023
Raw materials /purchased components	$	6,703	$	8,824
Work in process		5,103		3,686
Sub-assemblies /finished components		2,342		2,387
Finished goods		1,121		1,270
Total inventory	$	15,269	$	16,167

Schedule of land and building

	June 30,
	2024			2023
Land	$	3,684		$	3,684
Building		2,815			2,815
Total		6,499			6,499
Less: accumulated depreciation		(344	)		(250	)
	$	6,155		$	6,249

Schedule of equipment and improvements

	June 30,
	2024			2023
Office furnishings and fixtures	$	1,982		$	1,957
Machinery and equipment		7,292			6,675
Automobiles		21			21
Improvements		4,993			4,737
Total		14,288			13,390
Less: accumulated depreciation and amortization		(9,264	)		(8,311	)
	$	5,024		$	5,079

Schedule of intangibles

	June 30,
	2024			2023
Patent-related costs	$	208		$	208
Less accumulated amortization		(154	)		(127	)
	$	54		$	81

Schedule of accrued liabilities

	June 30,
	2024		2023
Payroll and related items	$	668	$	650
Accrued inventory in transit		276		637
Accrued legal and professional fees		301		216
Accrued bonuses		353		400
Current portion of lease liability		455		416
Warranty		277		200
Accrued customer rebate		840		480
Other		189		136
	$	3,359	$	3,135