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Deferred Revenue - Additional Information (Detail) - Non Software License Arrangement [Member] - Stem Cell Therapeutics [Member]	12 Months Ended
	Dec. 31, 2015 USD ($)
Deferred Revenue Arrangement [Line Items]
Number of year up front license fee being amortized	12 years
Unamortized amount of deferred revenue	$ 46,000

X

- Definition

Deferred revenue unamortized amount.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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X

- Definition

Deferred revenue upfront license fee amortization period.

+ References

No definition available.

+ Details

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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Balance Type:	na
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- Details

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X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: