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Debt (Details 1) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Total	$ 30,267,000	$ 30,396,000
Loans Payable [Member]
2013 (Period from April 1, 2013 to December 31, 2013)	1,013,000
2014	2,025,000
2015	3,375,000
2016	6,750,000
Total	$ 13,163,000

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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