Debt - Mortgage Notes And Other Debt (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014		Dec. 31, 2013
Mortgage notes and other debt payables
Current portion of lines of credit and notes payable	$ 11,032	[1]	$ 12,562	[1]
Mortgages and other debts payable	3,101		3,270
Farmadiet Acquisition [Member]
Mortgage notes and other debt payables
Current portion of lines of credit and notes payable	631		1,964
Mortgages and other debts payable	3,101		3,270
Total mortgage notes and other debt	$ 3,732		$ 5,234

[1] As of March 31, 2014 and December 31, 2013, total assets include $6.8 million and $6.7 million, respectively, and total liabilities include $11.4 million and $10.4 million, respectively, related to SciVac Ltd (“SciVac”), previously known as SciGen (I.L.) Ltd, a consolidated variable interest entity. SciVac’s consolidated assets are owned by SciVac and SciVac’s consolidated liabilities have no recourse against us. Refer to Note 5.