COMPOSITION OF CERTAIN FINANCIAL STATEMENT ITEMS (Tables)

12 Months Ended

Jun. 30, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of investments

Investments are stated at market value and consist of the following (in thousands):

	June 30, 2021		June 30, 2020
Marketable equity securities – short-term	$	1,295	$	2,560
Marketable equity securities – long-term		1,704		2,360
Total Marketable equity securities	$	2,999	$	4,920

Schedule of inventory

Inventory is stated at the lower of cost (first-in, first-out) or net realizable value and consists of the following (in thousands):

	June 30,
	2021		2020
Raw materials /purchased components	$	3,967	$	4,241
Work in process		2,218		2,339
Sub-assemblies /finished components		1,738		1,438
Finished goods		514		220
Total inventory	$	8,437	$	8,238

Schedule of Land and Building

Land and building consist of the following (in thousands):

	June 30, 2021			June 30,  2020
Land	$	3,684		$	—
Building		2,815			—
Total		6,499			—
Less: accumulated depreciation		(62	)		—
	$	6,437		$	—

Schedule of equipment and improvements

Equipment and improvements consist of the following (in thousands):

	June 30,
	2021			2020
Office furnishings and fixtures	$	2,173		$	2,143
Machinery and equipment		5,895			5,382
Automobiles		21			21
Improvements		3,536			2,359
Total		11,625			9,905
Less: accumulated depreciation and amortization		(7,780	)		(7,219	)
	$	3,845		$	2,686

Schedule of intangibles

Intangibles consist of the following (in thousands):

	June 30, 2021			June 30, 2020
Patent-related costs	$	260		$	222
Less accumulated amortization		(74	)		(60	)
	$	186		$	162

Schedule of accrued liabilities

Accrued liabilities consist of the following (in thousands):

	June 30,
	2021		2020
Payroll and related items	$	505	$	689
Accrued inventory in transit		128		303
Accrued legal and professional fees		124		141
Accrued bonuses		300		570
Current portion of lease liability		344		339
Warranty		221		213
Accrued customer rebate		394		—
Accrued sales, use and excise taxes		7		7
Other		175		149
	$	2,198	$	2,411