Sale of Ads Business - Reconciliations of the major line items constituting loss from operations (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income (loss) from operations of Ads Business	$ 0	$ (1,947)	$ 832	$ (3,895)
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	0		2,279
Research and development	0		697
Sales and marketing	0		750
General and administrative	0		0
Total operating expenses	0		1,447
Provision for (benefit from) income taxes	0		0
Income (loss) from operations of Ads Business	0		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		2,351		8,809
Research and development		1,186		4,121
Sales and marketing		3,098		8,600
General and administrative		0		0
Total operating expenses		4,284		12,721
Provision for (benefit from) income taxes		14		(17)
Income (loss) from operations of Ads Business		(1,947)		(3,895)
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	0		3,614
Cost of revenue - services	$ 0		$ 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		4,529		17,492
Cost of revenue - services		$ 2,178		$ 8,683

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Disposal Group, Including Discontinued Operation, Sales and Marketing Expense

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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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