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Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

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Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

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Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Product upgrade reserve.

No definition available.

Name:	vray_ProductUpgradeReserve
Namespace Prefix:	vray_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Fixed assets transferred from inventory and deferred cost of revenue.

No definition available.