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3. Supplemental Financial Information (Details - Purchased intangible assets) - USD ($)
$ in Thousands
Sep. 30, 2020
Jun. 30, 2020
Gross Carrying Amount $ 14,486 $ 14,486
Accumulated Amortization (2,919) (2,037)
Net Book Value 11,567 12,449
Developed Technology [Member]    
Gross Carrying Amount 3,841 3,841
Accumulated Amortization (685) (497)
Net Book Value 3,156 3,344
Customer relationship [Member]    
Gross Carrying Amount 9,030 9,030
Accumulated Amortization (1,113) (726)
Net Book Value 7,917 8,304
Order backlog [Member]    
Gross Carrying Amount 840 840
Accumulated Amortization (535) (384)
Net Book Value 305 456
Noncompete Agreements [Member]    
Gross Carrying Amount 400 400
Accumulated Amortization (280) (184)
Net Book Value 120 216
Trademark and trade name [Member]    
Gross Carrying Amount 375 375
Accumulated Amortization (306) (246)
Net Book Value $ 69 $ 129