Significant Accounting Policies (Details) (Patents [Member], USD $)	6 Months Ended
Jun. 30, 2014	Jun. 30, 2013
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, net of accumulated amortization	$ 289,000	$ 343,000

Amount of increase (decrease) in carrying value of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

No definition available.

Name:	us-gaap_FiniteLivedIntangibleAssetsPeriodIncreaseDecrease
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration