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Other Non-Current Liabilitiesl (Schedule Of Other Non-Current Liabilities)(Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Liabilities, Noncurrent [Abstract]
Deferred maintenance and unearned revenue	$ 234	$ 551
Other	544	636
Total other non-current liabilities	$ 778	$ 1,187

The noncurrent portion of deferred revenue amount as of balance sheet date. Deferred revenue is a liability related to a revenue producing activity for which revenue has not yet been recognized, and is not expected to be recognized in the next twelve months. 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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