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SUBSEQUENT EVENTS (Details) (Master Contract Manufacturing Agreement [Member])	6 Months Ended
	Jun. 30, 2012 MMLB
Master Contract Manufacturing Agreement [Member]
Subsequent Event [Line Items]
Combined volume threshold to qualify for discount (in millions of pounds)	22

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- Definition

The combined volume threshold in order to qualify for a volume discount for tolling charges for certain products.

+ References

No definition available.

+ Details

Name:	synl_CombinedVolumeThresholdToQualifyForDiscount
Namespace Prefix:	synl_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

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- Details

Name:	us-gaap_SubsequentEventLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration