Sale of Ads Business - Reconciliations of the major line items constituting loss from operations (Details) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income (loss) from operations of Ads Business	$ 832	$ (6,836)	$ (3,404)
Ads Business \| Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gross profit	2,279
Research and development	697
Sales and marketing	750
General and administrative	0
Goodwill impairment	0
Total operating expenses	1,447
Provision for (benefit from) income taxes	0
Income (loss) from operations of Ads Business	832
Ads Business \| Discontinued Operations, Held-for-sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gross profit		12,715	13,888
Research and development		5,350	5,700
Sales and marketing		11,738	11,592
General and administrative		0	0
Goodwill impairment		2,556	0
Total operating expenses		19,644	17,292
Provision for (benefit from) income taxes		(93)	0
Income (loss) from operations of Ads Business		(6,836)	(3,404)
Services \| Ads Business \| Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue - services	3,614
Cost of revenue - services	$ 1,335
Services \| Ads Business \| Discontinued Operations, Held-for-sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue - services		24,241	27,229
Cost of revenue - services		$ 11,526	$ 13,341

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Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal.

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