Debt (Details 2) (USD $)				3 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2013	Mar. 31, 2014 Secured Debt [Member]	Mar. 31, 2014 Secured Debt [Member] Secured loan, Mississippi Development Authority [Member]	Mar. 31, 2014 Capital Lease Obligations [Member]	Mar. 31, 2014 UNITED STATES Secured Debt [Member] Secured loan, Mississippi Development Authority [Member]	Sep. 30, 2013 UNITED STATES Loans Payable [Member]	Mar. 31, 2014 InsurancePremiumFinanced [Member] UNITED STATES	Mar. 31, 2014 Foreign Line of Credit [Member] BRAZIL	Mar. 31, 2014 Foreign Line of Credit [Member] INDIA
Debt Instrument [Line Items]
Secured Loan, maximum borrowing capacity					$ 1,500,000
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate							2.25%
Debt Instrument, Maturity Date				Feb. 01, 2021
Line of Credit Facility, Amount Outstanding							1,200,000			32,700,000	11,700,000
Other Short-term Borrowings									100,000
Debt Instrument, Issuance Date				Apr. 01, 2013
Long-term Debt, Gross								800,000
Remaining borrowing capacity										15,000,000	1,300,000
Line of Credit Facility, Maximum Borrowing Capacity										47,700,000	13,000,000
Capital Lease Obligations						1,600,000
Debt and Capital Lease Obligations	$ 62,800,000	$ 67,200,000
Debt, Weighted Average Interest Rate	8.80%		8.30%