Long-term Debt (Details 2) In Thousands, except Share data, unless otherwise specified			0 Months Ended			0 Months Ended							0 Months Ended										0 Months Ended			0 Months Ended		0 Months Ended	1 Months Ended	2 Months Ended	0 Months Ended			0 Months Ended			0 Months Ended
	Mar. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)	Sep. 07, 2010 IMW Lines of Credit Minimum CAD	Sep. 07, 2010 IMW Lines of Credit Maximum	Sep. 07, 2010 IMW assumed operating line of credit CAD	Sep. 07, 2010 IMW assumed operating line of credit HSBC's prime rate	Sep. 07, 2010 IMW assumed operating line of credit HSBC's U.S. base rate	Sep. 07, 2010 IMW assumed operating line of credit LIBOR	Sep. 07, 2010 Demand revolving line of credit CAD	Sep. 07, 2010 Demand revolving bank guarantee and standby letter of credit line CAD	Sep. 07, 2010 IMW bank guarantee line CAD	Sep. 07, 2010 IMW forward exchange contract line CAD	Sep. 07, 2010 IMW Renminbi operating line of credit CAD	Sep. 07, 2010 IMW Renminbi operating line of credit CNY	Sep. 07, 2010 IMW Renminbi sub-limit line of credit CNY	Sep. 07, 2010 IMW Renminbi line of credit CNY	Sep. 07, 2010 IMW Bangladeshi Taka operating line of credit BDT	Sep. 07, 2010 IMW Bangladeshi Taka operating line of credit CAD	Sep. 07, 2010 IMW Colombian Peso operating line of credit CAD	Sep. 07, 2010 IMW Colombian Peso operating line of credit COP	Sep. 07, 2010 IMW Colombian Peso operating line of credit Minimum	Sep. 07, 2010 IMW Colombian Peso operating line of credit Maximum	Jul. 11, 2011 CHK Notes USD ($) D item	Mar. 31, 2013 CHK Notes USD ($)	Dec. 31, 2012 CHK Notes USD ($)	Jul. 11, 2011 CHK Notes Minimum item	Jul. 11, 2011 CHK Notes Maximum USD ($)	Aug. 24, 2011 SLG Notes USD ($) D	Apr. 30, 2012 SLG Notes Common stock USD ($)	Feb. 28, 2013 SLG Notes Common stock USD ($)	Aug. 24, 2011 SLG Notes Minimum item	Aug. 24, 2011 SLG Notes Maximum	Mar. 01, 2012 SLG Notes Baytree Investments (Mauritius) Pte Ltd USD ($)	Nov. 07, 2012 GE Credit Agreement USD ($) item	Nov. 07, 2012 GE Credit Agreement Maximum	Nov. 07, 2012 GE Credit Agreement Maximum Common stock GE Warrant	Nov. 07, 2012 GE Credit Agreement LIBOR	Nov. 07, 2012 GE Credit Agreement LIBOR Minimum
Long-term Debt
Line of credit limit					13,000				2,000	1,115	3,000	13,750	810	5,000	5,000	5,000	16,750	215	95	170,000														$ 200,000
Debt, variable interest rate basis						HSBC's Prime Rate	HSBC's U.S. Base Rate	LIBOR					6 month People's Bank of China	6 month People's Bank of China																							LIBOR	LIBOR
Percentage of margin added to reference rate to determine interest rate on debt						1.00%	1.00%	2.25%					2.50%	2.50%							7.00%	12.00%															7.00%	1.00%
Commitment received, limit of debt securities to be purchased																											150,000	150,000
Interest rate (as a percent)																	14.00%	14.00%					7.50%					7.50%
Debt covenant, debt to tangible net worth ratio				3.0
Debt covenant, tangible net worth			7,000
Debt covenant, current assets to current liabilities ratio			1.25
Number of convertible promissory notes to be issued																							3
Principal amount of each debt instrument to be issued																							50,000
Principal amount transferred																																	24,000
Conversion price of shares (in dollars per share)																							$ 15.80					$ 15.00
Percentage of the trade price of the entity's common stock that the conversion price must be at premium in order for the notes to be convertible																							40.00%					40.00%
Number of consecutive trading days used to determine the conversion obligation on the notes																							30 days					30 days
Number of days within 30 consecutive trading days in which the trade price of the entity's common stock must be at premium of the conversion price for the notes to be convertible																							20					20
Amount of principal and accrued interest under debt conversion																													1,003	4,030
Common stock issued upon conversion of debt (in shares)																													66,888	268,664
Period during which the debt instrument principal balance is required to be paid																							7 years					5 years
Long term restricted cash related to debt instrument	$ 1,435	$ 13,208																						$ 483	$ 12,256
Number of registration statements required to be filed under Registration Rights Agreement																										1					1
Number of underwritten offerings in which the entity would be required to participate under Registration Rights Agreement																										1					1
Monthly liquidated damages expressed as a percentage of principal amount of debt instrument under Registration Rights Agreement																							0.75%					0.75%
Annual liquidated damages limit expressed as a percentage of aggregate principal amount of debt instrument under Registration Rights Agreement																																4.00%
Number of wholly owned subsidiaries through which the entity entered into a financing arrangement																																		2
Number of LNG production facilities being financed																																		2
LNG production facilities expected production capacity (in gallons per day)																																		250,000
Project completion period after the funding of the initial loans																																			30 months
Amortization period following conversion into term loan																																			8 years
Percentage of the budgeted costs of the Projects which the Company agreed to pay																																			25.00%
Number of shares that can be purchased upon exercise of warrant																																				5,000,000