Basis Of Presentation (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2013 USD ($)	Jun. 30, 2012 USD ($)	Jun. 30, 2013 USD ($)	Jun. 30, 2012 USD ($)	Dec. 31, 2012 USD ($)	Dec. 31, 2011 USD ($)	Jun. 30, 2013 Australian NAB Corporate Term Loan [Member] USD ($)	Jun. 30, 2013 Australian NAB Corporate Term Loan [Member] AUD	Jun. 30, 2013 US Liberty Theaters Term Loan [Member] USD ($)	Jun. 30, 2013 US Cinema 1, 2, 3 Term Loan [Member] USD ($)
Basis Of Presentation [Line Items]
Credit facility outstanding amount							$ 62,300,000	68,000,000	$ 7,500,000	$ 15,000,000
Tax settlement debt payments, monthly			290,000
Tax settlement debt payments, yearly			3,500,000
Cash and cash equivalents	42,362,000	22,678,000	42,362,000	22,678,000	38,531,000	31,597,000
Investments in marketable securities	58,000		58,000		55,000
Cumulative unrealized gain (loss) on investments			14,000
Unrealized gain (loss) on marketable securities	6,000	3,000	5,000	(7,000)
Sale of marketable securities				3,000,000
Marketable securities realized gain				$ 3,000