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Other Assets (Tables)

12 Months Ended

Dec. 31, 2012

Other Assets [Abstract]

Schedule of Other Assets

December 31,		2012				2011
Patents, at cost		$	5,021			$	4,900
Accumulated amortization			(2,826	)			(2,583	)
Deposits on capital items			3,934				1,618
Software development costs, at cost			2,057				2,057
Accumulated amortization			(498	)			(146	)
Investment in equity securities, carried at cost			125				969
Investment in equity securities, equity method			1,206				-
Other			549				474
		$	9,568			$	7,289

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Tabular disclosure of the carrying amounts of other assets. This disclosure includes other current assets and other noncurrent assets.

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