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Significant Accounting Policies (Schedule of Deferred Revenue in Consolidated Balance Sheets) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2018 USD ($)
Significant Accounting Policies [Abstract]
Beginning of year	$ 1,037
Deferral of revenue	1,764
Recognition of deferred revenue	(977)
Balance at end of year	$ 1,824

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- Definition

Amount of deferred revenue as of balance sheet date. Deferred revenue represents collections of cash or other assets related to a revenue producing activity for which revenue has not yet been recognized. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP.

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- Definition

Amount of deferred revenue recognized for transactions arising during the current reporting period. Deferred revenue is a liability as of the balance sheet date related to a revenue producing activity for which revenue has not yet been recognized. Generally, an Entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP.

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- Definition

Amount of revenue recognized that was previously reported as deferred or unearned revenue.

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No definition available.

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