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Defined Contribution Plan	12 Months Ended
	Dec. 31, 2015
Defined Contribution Plan	(13)    Defined Contribution Plan The Company makes available a 401(k) plan for its U.S. employees to which it made contributions in prior years. The Company did not make any contributions in 2015, 2014 or 2013.

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- Definition

The entire disclosure for an entity's employee compensation and benefit plans, including, but not limited to, postemployment and postretirement benefit plans, defined benefit pension plans, defined contribution plans, non-qualified and supplemental benefit plans, deferred compensation, share-based compensation, life insurance, severance, health care, unemployment and other benefit plans.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration