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3. Supplemental Financial Information (Details - Purchased intangible assets) - USD ($)
$ in Thousands
Mar. 31, 2021
Jun. 30, 2020
Gross Carrying Amount $ 14,486 $ 14,486
Accumulated Amortization (4,552) (2,037)
Net Book Value 9,934 12,449
Developed Technology [Member]    
Gross Carrying Amount 3,841 3,841
Accumulated Amortization (1,061) (497)
Net Book Value 2,780 3,344
Customer relationship [Member]    
Gross Carrying Amount 9,030 9,030
Accumulated Amortization (1,883) (726)
Net Book Value 7,147 8,304
Order backlog [Member]    
Gross Carrying Amount 840 840
Accumulated Amortization (837) (384)
Net Book Value 3 456
Noncompete Agreements [Member]    
Gross Carrying Amount 400 400
Accumulated Amortization (396) (184)
Net Book Value 4 216
Trademark and trade name [Member]    
Gross Carrying Amount 375 375
Accumulated Amortization (375) (246)
Net Book Value $ 0 $ 129