Acquisition (Details-Purchase Consideration) - Transition Networks [Member] $ in Thousands	10 Months Ended
Apr. 28, 2021 USD ($)
Business Acquisition [Line Items]
Cash consideration paid to CSI	$ 23,651
Preliminary estimated fair value of earnout consideration	393
Total purchase consideration	$ 24,044

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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